Merge pull request #40 from toradex/4.9-2.3.x-imx

4.9 2.3.x imx

43 files changed, 269 insertions, 202 deletions

diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index ca1d2cc2cdfa..18863d56273c 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -199,47 +199,57 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
 
 #define __declare_arg_0(a0, res)					\
 	struct arm_smccc_res   *___res = res;				\
-	register u32           r0 asm("r0") = a0;			\
+	register unsigned long r0 asm("r0") = (u32)a0;			\
 	register unsigned long r1 asm("r1");				\
 	register unsigned long r2 asm("r2");				\
 	register unsigned long r3 asm("r3")
 
 #define __declare_arg_1(a0, a1, res)					\
+	typeof(a1) __a1 = a1;						\
 	struct arm_smccc_res   *___res = res;				\
-	register u32           r0 asm("r0") = a0;			\
-	register typeof(a1)    r1 asm("r1") = a1;			\
+	register unsigned long r0 asm("r0") = (u32)a0;			\
+	register unsigned long r1 asm("r1") = __a1;			\
 	register unsigned long r2 asm("r2");				\
 	register unsigned long r3 asm("r3")
 
 #define __declare_arg_2(a0, a1, a2, res)				\
+	typeof(a1) __a1 = a1;						\
+	typeof(a2) __a2 = a2;						\
 	struct arm_smccc_res   *___res = res;				\
-	register u32           r0 asm("r0") = a0;			\
-	register typeof(a1)    r1 asm("r1") = a1;			\
-	register typeof(a2)    r2 asm("r2") = a2;			\
+	register unsigned long r0 asm("r0") = (u32)a0;			\
+	register unsigned long r1 asm("r1") = __a1;			\
+	register unsigned long r2 asm("r2") = __a2;			\
 	register unsigned long r3 asm("r3")
 
 #define __declare_arg_3(a0, a1, a2, a3, res)				\
+	typeof(a1) __a1 = a1;						\
+	typeof(a2) __a2 = a2;						\
+	typeof(a3) __a3 = a3;						\
 	struct arm_smccc_res   *___res = res;				\
-	register u32           r0 asm("r0") = a0;			\
-	register typeof(a1)    r1 asm("r1") = a1;			\
-	register typeof(a2)    r2 asm("r2") = a2;			\
-	register typeof(a3)    r3 asm("r3") = a3
+	register unsigned long r0 asm("r0") = (u32)a0;			\
+	register unsigned long r1 asm("r1") = __a1;			\
+	register unsigned long r2 asm("r2") = __a2;			\
+	register unsigned long r3 asm("r3") = __a3
 
 #define __declare_arg_4(a0, a1, a2, a3, a4, res)			\
+	typeof(a4) __a4 = a4;						\
 	__declare_arg_3(a0, a1, a2, a3, res);				\
-	register typeof(a4) r4 asm("r4") = a4
+	register unsigned long r4 asm("r4") = __a4
 
 #define __declare_arg_5(a0, a1, a2, a3, a4, a5, res)			\
+	typeof(a5) __a5 = a5;						\
 	__declare_arg_4(a0, a1, a2, a3, a4, res);			\
-	register typeof(a5) r5 asm("r5") = a5
+	register unsigned long r5 asm("r5") = __a5
 
 #define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res)		\
+	typeof(a6) __a6 = a6;						\
 	__declare_arg_5(a0, a1, a2, a3, a4, a5, res);			\
-	register typeof(a6) r6 asm("r6") = a6
+	register unsigned long r6 asm("r6") = __a6
 
 #define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res)		\
+	typeof(a7) __a7 = a7;						\
 	__declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res);		\
-	register typeof(a7) r7 asm("r7") = a7
+	register unsigned long r7 asm("r7") = __a7
 
 #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
 #define __declare_args(count, ...)  ___declare_args(count, __VA_ARGS__)
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 070fc49e39e2..5031defe59c5 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -71,6 +71,7 @@ struct bpf_insn_aux_data {
 		enum bpf_reg_type ptr_type;     /* pointer type for load/store insns */
 		struct bpf_map *map_ptr;        /* pointer for call insn into lookup_elem */
 	};
+	int sanitize_stack_off; /* stack slot to be cleared */
 	bool seen; /* this insn was processed by the verifier */
 };
 
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 5f5270941ba0..f7178f44825b 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -154,6 +154,7 @@ void can_change_state(struct net_device *dev, struct can_frame *cf,
 
 void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
 		      unsigned int idx);
+struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 *len_ptr);
 unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx);
 void can_free_echo_skb(struct net_device *dev, unsigned int idx);
 
diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h
index 374bb1c4ef52..035f26a04364 100644
--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -63,8 +63,12 @@ struct ceph_auth_client_ops {
 	/* ensure that an existing authorizer is up to date */
 	int (*update_authorizer)(struct ceph_auth_client *ac, int peer_type,
 				 struct ceph_auth_handshake *auth);
+	int (*add_authorizer_challenge)(struct ceph_auth_client *ac,
+					struct ceph_authorizer *a,
+					void *challenge_buf,
+					int challenge_buf_len);
 	int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
-				       struct ceph_authorizer *a, size_t len);
+				       struct ceph_authorizer *a);
 	void (*invalidate_authorizer)(struct ceph_auth_client *ac,
 				      int peer_type);
 
@@ -117,9 +121,12 @@ void ceph_auth_destroy_authorizer(struct ceph_authorizer *a);
 extern int ceph_auth_update_authorizer(struct ceph_auth_client *ac,
 				       int peer_type,
 				       struct ceph_auth_handshake *a);
+int ceph_auth_add_authorizer_challenge(struct ceph_auth_client *ac,
+				       struct ceph_authorizer *a,
+				       void *challenge_buf,
+				       int challenge_buf_len);
 extern int ceph_auth_verify_authorizer_reply(struct ceph_auth_client *ac,
-					     struct ceph_authorizer *a,
-					     size_t len);
+					     struct ceph_authorizer *a);
 extern void ceph_auth_invalidate_authorizer(struct ceph_auth_client *ac,
 					    int peer_type);
 
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index ae2f66833762..cf765db39c95 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -76,6 +76,7 @@
 // duplicated since it was introduced at the same time as CEPH_FEATURE_CRUSH_TUNABLES5
 #define CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING   (1ULL<<58) /* New, v7 encoding */
 #define CEPH_FEATURE_FS_FILE_LAYOUT_V2       (1ULL<<58) /* file_layout_t */
+#define CEPH_FEATURE_CEPHX_V2	(1ULL<<61) // *do not share this bit*
 
 /*
  * The introduction of CEPH_FEATURE_OSD_SNAPMAPPER caused the feature
@@ -124,7 +125,8 @@ static inline u64 ceph_sanitize_features(u64 features)
 	 CEPH_FEATURE_MSGR_KEEPALIVE2 |		\
 	 CEPH_FEATURE_CRUSH_V4 |		\
 	 CEPH_FEATURE_CRUSH_TUNABLES5 |		\
-	 CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING)
+	 CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING |	\
+	 CEPH_FEATURE_CEPHX_V2)
 
 #define CEPH_FEATURES_REQUIRED_DEFAULT   \
 	(CEPH_FEATURE_NOSRCADDR |	 \
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 1816c5e26581..a8a574897d3c 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -77,7 +77,13 @@ struct ceph_options {
 
 #define CEPH_MSG_MAX_FRONT_LEN	(16*1024*1024)
 #define CEPH_MSG_MAX_MIDDLE_LEN	(16*1024*1024)
-#define CEPH_MSG_MAX_DATA_LEN	(16*1024*1024)
+
+/*
+ * Handle the largest possible rbd object in one message.
+ * There is no limit on the size of cephfs objects, but it has to obey
+ * rsize and wsize mount options anyway.
+ */
+#define CEPH_MSG_MAX_DATA_LEN	(32*1024*1024)
 
 #define CEPH_AUTH_NAME_DEFAULT   "guest"
 
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 8dbd7879fdc6..5e1c9c80d536 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -30,7 +30,10 @@ struct ceph_connection_operations {
 	struct ceph_auth_handshake *(*get_authorizer) (
 				struct ceph_connection *con,
 			       int *proto, int force_new);
-	int (*verify_authorizer_reply) (struct ceph_connection *con, int len);
+	int (*add_authorizer_challenge)(struct ceph_connection *con,
+					void *challenge_buf,
+					int challenge_buf_len);
+	int (*verify_authorizer_reply) (struct ceph_connection *con);
 	int (*invalidate_authorizer)(struct ceph_connection *con);
 
 	/* there was some error on the socket (disconnect, whatever) */
@@ -200,9 +203,8 @@ struct ceph_connection {
 				 attempt for this connection, client */
 	u32 peer_global_seq;  /* peer's global seq for this connection */
 
+	struct ceph_auth_handshake *auth;
 	int auth_retry;       /* true if we need a newer authorizer */
-	void *auth_reply_buf;   /* where to put the authorizer reply */
-	int auth_reply_buf_len;
 
 	struct mutex mutex;
 
diff --git a/include/linux/ceph/msgr.h b/include/linux/ceph/msgr.h
index 0fe2656ac415..063f9d7f1b74 100644
--- a/include/linux/ceph/msgr.h
+++ b/include/linux/ceph/msgr.h
@@ -90,7 +90,7 @@ struct ceph_entity_inst {
 #define CEPH_MSGR_TAG_SEQ           13 /* 64-bit int follows with seen seq number */
 #define CEPH_MSGR_TAG_KEEPALIVE2    14 /* keepalive2 byte + ceph_timespec */
 #define CEPH_MSGR_TAG_KEEPALIVE2_ACK 15 /* keepalive2 reply */
-
+#define CEPH_MSGR_TAG_CHALLENGE_AUTHORIZER 16  /* cephx v2 doing server challenge */
 
 /*
  * connection negotiation
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index f219c9aed360..6af1654e319d 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -102,7 +102,7 @@ struct elevator_type
 	struct module *elevator_owner;
 
 	/* managed by elevator core */
-	char icq_cache_name[ELV_NAME_MAX + 5];	/* elvname + "_io_cq" */
+	char icq_cache_name[ELV_NAME_MAX + 6];	/* elvname + "_io_cq" */
 	struct list_head list;
 };
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6c99b1297f91..6527e4e5729b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -69,6 +69,8 @@ extern struct inodes_stat_t inodes_stat;
 extern int leases_enable, lease_break_time;
 extern int sysctl_protected_symlinks;
 extern int sysctl_protected_hardlinks;
+extern int sysctl_protected_fifos;
+extern int sysctl_protected_regular;
 
 struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index e35e6de633b9..9b9f65d99873 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -22,7 +22,7 @@ extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
 			unsigned char *vec);
 extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
 			 unsigned long new_addr, unsigned long old_end,
-			 pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush);
+			 pmd_t *old_pmd, pmd_t *new_pmd);
 extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
 			unsigned long addr, pgprot_t newprot,
 			int prot_numa);
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 48c76d612d40..b699d59d0f4f 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -109,6 +109,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
 			unsigned long addr, unsigned long sz);
 pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr);
 int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep);
+void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
+				unsigned long *start, unsigned long *end);
 struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
 			      int write);
 struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
@@ -131,6 +133,18 @@ static inline unsigned long hugetlb_total_pages(void)
 	return 0;
 }
 
+static inline int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr,
+						pte_t *ptep)
+{
+	return 0;
+}
+
+static inline void adjust_range_if_pmd_sharing_possible(
+				struct vm_area_struct *vma,
+				unsigned long *start, unsigned long *end)
+{
+}
+
 #define follow_hugetlb_page(m,v,p,vs,a,b,i,w)	({ BUG(); 0; })
 #define follow_huge_addr(mm, addr, write)	ERR_PTR(-EINVAL)
 #define copy_hugetlb_page_range(src, dst, vma)	({ BUG(); 0; })
diff --git a/include/linux/i8253.h b/include/linux/i8253.h
index e6bb36a97519..8336b2f6f834 100644
--- a/include/linux/i8253.h
+++ b/include/linux/i8253.h
@@ -21,6 +21,7 @@
 #define PIT_LATCH	((PIT_TICK_RATE + HZ/2) / HZ)
 
 extern raw_spinlock_t i8253_lock;
+extern bool i8253_clear_counter_on_shutdown;
 extern struct clock_event_device i8253_clockevent;
 extern void clockevent_i8253_init(bool oneshot);
 
diff --git a/include/linux/iio/buffer-dma.h b/include/linux/iio/buffer-dma.h
index 767467d886de..67c75372b691 100644
--- a/include/linux/iio/buffer-dma.h
+++ b/include/linux/iio/buffer-dma.h
@@ -141,7 +141,7 @@ int iio_dma_buffer_read(struct iio_buffer *buffer, size_t n,
 	char __user *user_buffer);
 size_t iio_dma_buffer_data_available(struct iio_buffer *buffer);
 int iio_dma_buffer_set_bytes_per_datum(struct iio_buffer *buffer, size_t bpd);
-int iio_dma_buffer_set_length(struct iio_buffer *buffer, int length);
+int iio_dma_buffer_set_length(struct iio_buffer *buffer, unsigned int length);
 int iio_dma_buffer_request_update(struct iio_buffer *buffer);
 
 int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
diff --git a/include/linux/integrity.h b/include/linux/integrity.h
index c2d6082a1a4c..858d3f4a2241 100644
--- a/include/linux/integrity.h
+++ b/include/linux/integrity.h
@@ -14,6 +14,7 @@
 
 enum integrity_status {
 	INTEGRITY_PASS = 0,
+	INTEGRITY_PASS_IMMUTABLE,
 	INTEGRITY_FAIL,
 	INTEGRITY_NOLABEL,
 	INTEGRITY_NOXATTRS,
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index c2a0f0072274..734377ad42e9 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -292,6 +292,8 @@ static inline u64 jiffies_to_nsecs(const unsigned long j)
 	return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC;
 }
 
+extern u64 jiffies64_to_nsecs(u64 j);
+
 extern unsigned long __msecs_to_jiffies(const unsigned int m);
 #if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
 /*
diff --git a/include/linux/kbuild.h b/include/linux/kbuild.h
index 22a72198c14b..4e80f3a9ad58 100644
--- a/include/linux/kbuild.h
+++ b/include/linux/kbuild.h
@@ -2,14 +2,14 @@
 #define __LINUX_KBUILD_H
 
 #define DEFINE(sym, val) \
-        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+	asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
 
-#define BLANK() asm volatile("\n->" : : )
+#define BLANK() asm volatile("\n.ascii \"->\"" : : )
 
 #define OFFSET(sym, str, mem) \
 	DEFINE(sym, offsetof(struct str, mem))
 
 #define COMMENT(x) \
-	asm volatile("\n->#" x)
+	asm volatile("\n.ascii \"->#" x "\"")
 
 #endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 493d07931ea5..11a5a46ce72b 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2187,6 +2187,12 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,
 	return vma;
 }
 
+static inline bool range_in_vma(struct vm_area_struct *vma,
+				unsigned long start, unsigned long end)
+{
+	return (vma && vma->vm_start <= start && end <= vma->vm_end);
+}
+
 #ifdef CONFIG_MMU
 pgprot_t vm_get_page_prot(unsigned long vm_flags);
 void vma_set_page_prot(struct vm_area_struct *vma);
diff --git a/include/linux/module.h b/include/linux/module.h
index d2224a09b4b5..fd9e121c7b3f 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -127,13 +127,13 @@ extern void cleanup_module(void);
 
 /* Each module must use one module_init(). */
 #define module_init(initfn)					\
-	static inline initcall_t __inittest(void)		\
+	static inline initcall_t __maybe_unused __inittest(void)		\
 	{ return initfn; }					\
 	int init_module(void) __attribute__((alias(#initfn)));
 
 /* This is only required if you want to be unloadable. */
 #define module_exit(exitfn)					\
-	static inline exitcall_t __exittest(void)		\
+	static inline exitcall_t __maybe_unused __exittest(void)		\
 	{ return exitfn; }					\
 	void cleanup_module(void) __attribute__((alias(#exitfn)));
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 47c7f5b8f675..f254982e1a8f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2338,6 +2338,13 @@ struct netdev_notifier_info {
 	struct net_device *dev;
 };
 
+struct netdev_notifier_info_ext {
+	struct netdev_notifier_info info; /* must be first */
+	union {
+		u32 mtu;
+	} ext;
+};
+
 struct netdev_notifier_change_info {
 	struct netdev_notifier_info info; /* must be first */
 	unsigned int flags_changed;
diff --git a/include/linux/netfilter/ipset/ip_set_comment.h b/include/linux/netfilter/ipset/ip_set_comment.h
index 8d0248525957..9f34204978e4 100644
--- a/include/linux/netfilter/ipset/ip_set_comment.h
+++ b/include/linux/netfilter/ipset/ip_set_comment.h
@@ -41,11 +41,11 @@ ip_set_init_comment(struct ip_set_comment *comment,
 	rcu_assign_pointer(comment->c, c);
 }
 
-/* Used only when dumping a set, protected by rcu_read_lock_bh() */
+/* Used only when dumping a set, protected by rcu_read_lock() */
 static inline int
 ip_set_put_comment(struct sk_buff *skb, struct ip_set_comment *comment)
 {
-	struct ip_set_comment_rcu *c = rcu_dereference_bh(comment->c);
+	struct ip_set_comment_rcu *c = rcu_dereference(comment->c);
 
 	if (!c)
 		return 0;
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 984b2112c77b..ea8a97793d2d 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -123,4 +123,9 @@ extern unsigned int ebt_do_table(struct sk_buff *skb,
 /* True if the target is not a standard target */
 #define INVALID_TARGET (info->target < -NUM_STANDARD_TARGETS || info->target >= 0)
 
+static inline bool ebt_invalid_target(int target)
+{
+	return (target < -NUM_STANDARD_TARGETS || target >= 0);
+}
+
 #endif
diff --git a/include/linux/of.h b/include/linux/of.h
index fc12b433c54f..15338b45ea22 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -275,6 +275,8 @@ extern struct device_node *of_get_next_child(const struct device_node *node,
 extern struct device_node *of_get_next_available_child(
 	const struct device_node *node, struct device_node *prev);
 
+extern struct device_node *of_get_compatible_child(const struct device_node *parent,
+					const char *compatible);
 extern struct device_node *of_get_child_by_name(const struct device_node *node,
 					const char *name);
 
@@ -607,6 +609,12 @@ static inline bool of_have_populated_dt(void)
 	return false;
 }
 
+static inline struct device_node *of_get_compatible_child(const struct device_node *parent,
+					const char *compatible)
+{
+	return NULL;
+}
+
 static inline struct device_node *of_get_child_by_name(
 					const struct device_node *node,
 					const char *name)
diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h
index a3d90b9da18d..407874535fd3 100644
--- a/include/linux/pfn_t.h
+++ b/include/linux/pfn_t.h
@@ -9,7 +9,7 @@
  * PFN_DEV - pfn is not covered by system memmap by default
  * PFN_MAP - pfn has a dynamic page mapping established by a device driver
  */
-#define PFN_FLAGS_MASK (((u64) ~PAGE_MASK) << (BITS_PER_LONG_LONG - PAGE_SHIFT))
+#define PFN_FLAGS_MASK (((u64) (~PAGE_MASK)) << (BITS_PER_LONG_LONG - PAGE_SHIFT))
 #define PFN_SG_CHAIN (1ULL << (BITS_PER_LONG_LONG - 1))
 #define PFN_SG_LAST (1ULL << (BITS_PER_LONG_LONG - 2))
 #define PFN_DEV (1ULL << (BITS_PER_LONG_LONG - 3))
diff --git a/include/linux/platform_data/ina2xx.h b/include/linux/platform_data/ina2xx.h
index 9abc0ca7259b..9f0aa1b48c78 100644
--- a/include/linux/platform_data/ina2xx.h
+++ b/include/linux/platform_data/ina2xx.h
@@ -1,7 +1,7 @@
 /*
  * Driver for Texas Instruments INA219, INA226 power monitor chips
  *
- * Copyright (C) 2012 Lothar Felten <l-felten@ti.com>
+ * Copyright (C) 2012 Lothar Felten <lothar.felten@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 62d44c176071..e4b8678183f5 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -65,8 +65,8 @@ struct k_itimer {
 	spinlock_t it_lock;
 	clockid_t it_clock;		/* which timer type */
 	timer_t it_id;			/* timer id */
-	int it_overrun;			/* overrun on pending signal  */
-	int it_overrun_last;		/* overrun on last delivered signal */
+	s64 it_overrun;			/* overrun on pending signal  */
+	s64 it_overrun_last;		/* overrun on last delivered signal */
 	int it_requeue_pending;		/* waiting to requeue this timer */
 #define REQUEUE_PENDING 1
 	int it_sigev_notify;		/* notify word of sigevent struct */
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 3965503315ef..ad97baf7b8de 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -249,6 +249,7 @@ struct power_supply {
 	spinlock_t changed_lock;
 	bool changed;
 	bool initialized;
+	bool removing;
 	atomic_t use_cnt;
 #ifdef CONFIG_THERMAL
 	struct thermal_zone_device *tzd;
diff --git a/include/linux/reset.h b/include/linux/reset.h
index 5daff15722d3..7e99690dbc81 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -13,76 +13,82 @@ int reset_control_deassert(struct reset_control *rstc);
 int reset_control_status(struct reset_control *rstc);
 
 struct reset_control *__of_reset_control_get(struct device_node *node,
-				     const char *id, int index, int shared);
+				     const char *id, int index, bool shared,
+				     bool optional);
+struct reset_control *__reset_control_get(struct device *dev, const char *id,
+					  int index, bool shared,
+					  bool optional);
 void reset_control_put(struct reset_control *rstc);
+int __device_reset(struct device *dev, bool optional);
 struct reset_control *__devm_reset_control_get(struct device *dev,
-				     const char *id, int index, int shared);
-
-int __must_check device_reset(struct device *dev);
-
-static inline int device_reset_optional(struct device *dev)
-{
-	return device_reset(dev);
-}
+				     const char *id, int index, bool shared,
+				     bool optional);
 
 #else
 
 static inline int reset_control_reset(struct reset_control *rstc)
 {
-	WARN_ON(1);
 	return 0;
 }
 
 static inline int reset_control_assert(struct reset_control *rstc)
 {
-	WARN_ON(1);
 	return 0;
 }
 
 static inline int reset_control_deassert(struct reset_control *rstc)
 {
-	WARN_ON(1);
 	return 0;
 }
 
 static inline int reset_control_status(struct reset_control *rstc)
 {
-	WARN_ON(1);
 	return 0;
 }
 
 static inline void reset_control_put(struct reset_control *rstc)
 {
-	WARN_ON(1);
 }
 
-static inline int __must_check device_reset(struct device *dev)
+static inline int __device_reset(struct device *dev, bool optional)
 {
-	WARN_ON(1);
-	return -ENOTSUPP;
+	return optional ? 0 : -ENOTSUPP;
 }
 
-static inline int device_reset_optional(struct device *dev)
+static inline struct reset_control *__of_reset_control_get(
+					struct device_node *node,
+					const char *id, int index, bool shared,
+					bool optional)
 {
-	return -ENOTSUPP;
+	return optional ? NULL : ERR_PTR(-ENOTSUPP);
 }
 
-static inline struct reset_control *__of_reset_control_get(
-					struct device_node *node,
-					const char *id, int index, int shared)
+static inline struct reset_control *__reset_control_get(
+					struct device *dev, const char *id,
+					int index, bool shared, bool optional)
 {
-	return ERR_PTR(-ENOTSUPP);
+	return optional ? NULL : ERR_PTR(-ENOTSUPP);
 }
 
 static inline struct reset_control *__devm_reset_control_get(
-					struct device *dev,
-					const char *id, int index, int shared)
+					struct device *dev, const char *id,
+					int index, bool shared, bool optional)
 {
-	return ERR_PTR(-ENOTSUPP);
+	return optional ? NULL : ERR_PTR(-ENOTSUPP);
 }
 
 #endif /* CONFIG_RESET_CONTROLLER */
 
+static inline int __must_check device_reset(struct device *dev)
+{
+	return __device_reset(dev, false);
+}
+
+static inline int device_reset_optional(struct device *dev)
+{
+	return __device_reset(dev, true);
+}
+
 /**
  * reset_control_get_exclusive - Lookup and obtain an exclusive reference
  *                               to a reset controller.
@@ -101,10 +107,7 @@ static inline struct reset_control *__devm_reset_control_get(
 static inline struct reset_control *
 __must_check reset_control_get_exclusive(struct device *dev, const char *id)
 {
-#ifndef CONFIG_RESET_CONTROLLER
-	WARN_ON(1);
-#endif
-	return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 0);
+	return __reset_control_get(dev, id, 0, false, false);
 }
 
 /**
@@ -132,19 +135,19 @@ __must_check reset_control_get_exclusive(struct device *dev, const char *id)
 static inline struct reset_control *reset_control_get_shared(
 					struct device *dev, const char *id)
 {
-	return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 1);
+	return __reset_control_get(dev, id, 0, true, false);
 }
 
 static inline struct reset_control *reset_control_get_optional_exclusive(
 					struct device *dev, const char *id)
 {
-	return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 0);
+	return __reset_control_get(dev, id, 0, false, true);
 }
 
 static inline struct reset_control *reset_control_get_optional_shared(
 					struct device *dev, const char *id)
 {
-	return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 1);
+	return __reset_control_get(dev, id, 0, true, true);
 }
 
 /**
@@ -160,7 +163,7 @@ static inline struct reset_control *reset_control_get_optional_shared(
 static inline struct reset_control *of_reset_control_get_exclusive(
 				struct device_node *node, const char *id)
 {
-	return __of_reset_control_get(node, id, 0, 0);
+	return __of_reset_control_get(node, id, 0, false, false);
 }
 
 /**
@@ -185,7 +188,7 @@ static inline struct reset_control *of_reset_control_get_exclusive(
 static inline struct reset_control *of_reset_control_get_shared(
 				struct device_node *node, const char *id)
 {
-	return __of_reset_control_get(node, id, 0, 1);
+	return __of_reset_control_get(node, id, 0, true, false);
 }
 
 /**
@@ -202,7 +205,7 @@ static inline struct reset_control *of_reset_control_get_shared(
 static inline struct reset_control *of_reset_control_get_exclusive_by_index(
 					struct device_node *node, int index)
 {
-	return __of_reset_control_get(node, NULL, index, 0);
+	return __of_reset_control_get(node, NULL, index, false, false);
 }
 
 /**
@@ -230,7 +233,7 @@ static inline struct reset_control *of_reset_control_get_exclusive_by_index(
 static inline struct reset_control *of_reset_control_get_shared_by_index(
 					struct device_node *node, int index)
 {
-	return __of_reset_control_get(node, NULL, index, 1);
+	return __of_reset_control_get(node, NULL, index, true, false);
 }
 
 /**
@@ -249,10 +252,7 @@ static inline struct reset_control *
 __must_check devm_reset_control_get_exclusive(struct device *dev,
 					      const char *id)
 {
-#ifndef CONFIG_RESET_CONTROLLER
-	WARN_ON(1);
-#endif
-	return __devm_reset_control_get(dev, id, 0, 0);
+	return __devm_reset_control_get(dev, id, 0, false, false);
 }
 
 /**
@@ -267,19 +267,19 @@ __must_check devm_reset_control_get_exclusive(struct device *dev,
 static inline struct reset_control *devm_reset_control_get_shared(
 					struct device *dev, const char *id)
 {
-	return __devm_reset_control_get(dev, id, 0, 1);
+	return __devm_reset_control_get(dev, id, 0, true, false);
 }
 
 static inline struct reset_control *devm_reset_control_get_optional_exclusive(
 					struct device *dev, const char *id)
 {
-	return __devm_reset_control_get(dev, id, 0, 0);
+	return __devm_reset_control_get(dev, id, 0, false, true);
 }
 
 static inline struct reset_control *devm_reset_control_get_optional_shared(
 					struct device *dev, const char *id)
 {
-	return __devm_reset_control_get(dev, id, 0, 1);
+	return __devm_reset_control_get(dev, id, 0, true, true);
 }
 
 /**
@@ -297,7 +297,7 @@ static inline struct reset_control *devm_reset_control_get_optional_shared(
 static inline struct reset_control *
 devm_reset_control_get_exclusive_by_index(struct device *dev, int index)
 {
-	return __devm_reset_control_get(dev, NULL, index, 0);
+	return __devm_reset_control_get(dev, NULL, index, false, false);
 }
 
 /**
@@ -313,7 +313,7 @@ devm_reset_control_get_exclusive_by_index(struct device *dev, int index)
 static inline struct reset_control *
 devm_reset_control_get_shared_by_index(struct device *dev, int index)
 {
-	return __devm_reset_control_get(dev, NULL, index, 1);
+	return __devm_reset_control_get(dev, NULL, index, true, false);
 }
 
 /*
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 85d1ffc90285..4421e5ccb092 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -138,7 +138,6 @@ struct rhashtable_params {
 /**
  * struct rhashtable - Hash table handle
  * @tbl: Bucket table
- * @nelems: Number of elements in table
  * @key_len: Key length for hashfn
  * @elasticity: Maximum chain length before rehash
  * @p: Configuration parameters
@@ -146,10 +145,10 @@ struct rhashtable_params {
  * @run_work: Deferred worker to expand/shrink asynchronously
  * @mutex: Mutex to protect current/future table swapping
  * @lock: Spin lock to protect walker list
+ * @nelems: Number of elements in table
  */
 struct rhashtable {
 	struct bucket_table __rcu	*tbl;
-	atomic_t			nelems;
 	unsigned int			key_len;
 	unsigned int			elasticity;
 	struct rhashtable_params	p;
@@ -157,6 +156,7 @@ struct rhashtable {
 	struct work_struct		run_work;
 	struct mutex                    mutex;
 	spinlock_t			lock;
+	atomic_t			nelems;
 };
 
 /**
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 1f207dd22757..e90fe6b83e00 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -643,9 +643,14 @@ struct sk_buff {
 				struct skb_mstamp skb_mstamp;
 			};
 		};
-		struct rb_node	rbnode; /* used in netem & tcp stack */
+		struct rb_node		rbnode; /* used in netem, ip4 defrag, and tcp stack */
 	};
-	struct sock		*sk;
+
+	union {
+		struct sock		*sk;
+		int			ip_defrag_offset;
+	};
+
 	struct net_device	*dev;
 
 	/*
@@ -2413,7 +2418,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list)
 		kfree_skb(skb);
 }
 
-void skb_rbtree_purge(struct rb_root *root);
+unsigned int skb_rbtree_purge(struct rb_root *root);
 
 void *netdev_alloc_frag(unsigned int fragsz);
 
@@ -2949,6 +2954,7 @@ static inline unsigned char *skb_push_rcsum(struct sk_buff *skb,
 	return skb->data;
 }
 
+int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len);
 /**
  *	pskb_trim_rcsum - trim received skb and update checksum
  *	@skb: buffer to trim
@@ -2962,9 +2968,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
 {
 	if (likely(len >= skb->len))
 		return 0;
-	if (skb->ip_summed == CHECKSUM_COMPLETE)
-		skb->ip_summed = CHECKSUM_NONE;
-	return __pskb_trim(skb, len);
+	return pskb_trim_rcsum_slow(skb, len);
 }
 
 static inline int __skb_trim_rcsum(struct sk_buff *skb, unsigned int len)
@@ -2984,6 +2988,12 @@ static inline int __skb_grow_rcsum(struct sk_buff *skb, unsigned int len)
 
 #define rb_to_skb(rb) rb_entry_safe(rb, struct sk_buff, rbnode)
 
+#define rb_to_skb(rb) rb_entry_safe(rb, struct sk_buff, rbnode)
+#define skb_rb_first(root) rb_to_skb(rb_first(root))
+#define skb_rb_last(root)  rb_to_skb(rb_last(root))
+#define skb_rb_next(skb)   rb_to_skb(rb_next(&(skb)->rbnode))
+#define skb_rb_prev(skb)   rb_to_skb(rb_prev(&(skb)->rbnode))
+
 #define skb_queue_walk(queue, skb) \
 		for (skb = (queue)->next;					\
 		     skb != (struct sk_buff *)(queue);				\
@@ -2998,6 +3008,18 @@ static inline int __skb_grow_rcsum(struct sk_buff *skb, unsigned int len)
 		for (; skb != (struct sk_buff *)(queue);			\
 		     skb = skb->next)
 
+#define skb_rbtree_walk(skb, root)						\
+		for (skb = skb_rb_first(root); skb != NULL;			\
+		     skb = skb_rb_next(skb))
+
+#define skb_rbtree_walk_from(skb)						\
+		for (; skb != NULL;						\
+		     skb = skb_rb_next(skb))
+
+#define skb_rbtree_walk_from_safe(skb, tmp)					\
+		for (; tmp = skb ? skb_rb_next(skb) : NULL, (skb != NULL);	\
+		     skb = tmp)
+
 #define skb_queue_walk_from_safe(queue, skb, tmp)				\
 		for (tmp = skb->next;						\
 		     skb != (struct sk_buff *)(queue);				\
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 75f56c2ef2d4..b6a59e8cd855 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -67,7 +67,8 @@ struct kmem_cache {
 	int size;		/* The size of an object including meta data */
 	int object_size;	/* The size of an object without meta data */
 	int offset;		/* Free pointer offset. */
-	int cpu_partial;	/* Number of per cpu partial objects to keep around */
+	/* Number of per cpu partial objects to keep around */
+	unsigned int cpu_partial;
 	struct kmem_cache_order_objects oo;
 
 	/* Allocation and freeing of slabs */
diff --git a/include/linux/tc.h b/include/linux/tc.h
index f92511e57cdb..a60639f37963 100644
--- a/include/linux/tc.h
+++ b/include/linux/tc.h
@@ -84,6 +84,7 @@ struct tc_dev {
 					   device. */
 	struct device	dev;		/* Generic device interface. */
 	struct resource	resource;	/* Address space of this device. */
+	u64		dma_mask;	/* DMA addressable range. */
 	char		vendor[9];
 	char		name[9];
 	char		firmware[9];
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index f30c187ed785..9442423979c1 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -2,6 +2,9 @@
 #define __LINUX_UACCESS_H__
 
 #include <linux/sched.h>
+
+#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
+
 #include <asm/uaccess.h>
 
 static __always_inline void pagefault_disabled_inc(void)
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 1def337b16d4..8e880f7f67b2 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -106,9 +106,9 @@ struct work_struct {
 #endif
 };
 
-#define WORK_DATA_INIT()	ATOMIC_LONG_INIT(WORK_STRUCT_NO_POOL)
+#define WORK_DATA_INIT()	ATOMIC_LONG_INIT((unsigned long)WORK_STRUCT_NO_POOL)
 #define WORK_DATA_STATIC_INIT()	\
-	ATOMIC_LONG_INIT(WORK_STRUCT_NO_POOL | WORK_STRUCT_STATIC)
+	ATOMIC_LONG_INIT((unsigned long)(WORK_STRUCT_NO_POOL | WORK_STRUCT_STATIC))
 
 struct delayed_work {
 	struct work_struct work;
diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h
index e19e6246e21c..d2671606cb5d 100644
--- a/include/media/v4l2-fh.h
+++ b/include/media/v4l2-fh.h
@@ -42,10 +42,13 @@ struct v4l2_ctrl_handler;
  * @prio: priority of the file handler, as defined by &enum v4l2_priority
  *
  * @wait: event' s wait queue
+ * @subscribe_lock: serialise changes to the subscribed list; guarantee that
+ *		    the add and del event callbacks are orderly called
  * @subscribed: list of subscribed events
  * @available: list of events waiting to be dequeued
  * @navailable: number of available events at @available list
  * @sequence: event sequence number
+ *
  * @m2m_ctx: pointer to &struct v4l2_m2m_ctx
  */
 struct v4l2_fh {
@@ -56,6 +59,7 @@ struct v4l2_fh {
 
 	/* Events */
 	wait_queue_head_t	wait;
+	struct mutex		subscribe_lock;
 	struct list_head	subscribed;
 	struct list_head	available;
 	unsigned int		navailable;
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 714428c54c68..8750c2c4871a 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -139,12 +139,6 @@ struct bond_parm_tbl {
 	int mode;
 };
 
-struct netdev_notify_work {
-	struct delayed_work	work;
-	struct net_device	*dev;
-	struct netdev_bonding_info bonding_info;
-};
-
 struct slave {
 	struct net_device *dev; /* first - useful for panic debug */
 	struct bonding *bond; /* our master */
@@ -171,6 +165,7 @@ struct slave {
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	struct netpoll *np;
 #endif
+	struct delayed_work notify_work;
 	struct kobject kobj;
 	struct rtnl_link_stats64 slave_stats;
 };
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 634d19203e7d..a3812e9c8fee 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -1,14 +1,20 @@
 #ifndef __NET_FRAG_H__
 #define __NET_FRAG_H__
 
+#include <linux/rhashtable.h>
+
 struct netns_frags {
-	/* Keep atomic mem on separate cachelines in structs that include it */
-	atomic_t		mem ____cacheline_aligned_in_smp;
 	/* sysctls */
+	long			high_thresh;
+	long			low_thresh;
 	int			timeout;
-	int			high_thresh;
-	int			low_thresh;
 	int			max_dist;
+	struct inet_frags	*f;
+
+	struct rhashtable       rhashtable ____cacheline_aligned_in_smp;
+
+	/* Keep atomic mem on separate cachelines in structs that include it */
+	atomic_long_t		mem ____cacheline_aligned_in_smp;
 };
 
 /**
@@ -24,130 +30,115 @@ enum {
 	INET_FRAG_COMPLETE	= BIT(2),
 };
 
+struct frag_v4_compare_key {
+	__be32		saddr;
+	__be32		daddr;
+	u32		user;
+	u32		vif;
+	__be16		id;
+	u16		protocol;
+};
+
+struct frag_v6_compare_key {
+	struct in6_addr	saddr;
+	struct in6_addr	daddr;
+	u32		user;
+	__be32		id;
+	u32		iif;
+};
+
 /**
  * struct inet_frag_queue - fragment queue
  *
- * @lock: spinlock protecting the queue
+ * @node: rhash node
+ * @key: keys identifying this frag.
  * @timer: queue expiration timer
- * @list: hash bucket list
+ * @lock: spinlock protecting this frag
  * @refcnt: reference count of the queue
  * @fragments: received fragments head
+ * @rb_fragments: received fragments rb-tree root
  * @fragments_tail: received fragments tail
+ * @last_run_head: the head of the last "run". see ip_fragment.c
  * @stamp: timestamp of the last received fragment
  * @len: total length of the original datagram
  * @meat: length of received fragments so far
  * @flags: fragment queue flags
  * @max_size: maximum received fragment size
  * @net: namespace that this frag belongs to
- * @list_evictor: list of queues to forcefully evict (e.g. due to low memory)
+ * @rcu: rcu head for freeing deferall
  */
 struct inet_frag_queue {
-	spinlock_t		lock;
+	struct rhash_head	node;
+	union {
+		struct frag_v4_compare_key v4;
+		struct frag_v6_compare_key v6;
+	} key;
 	struct timer_list	timer;
-	struct hlist_node	list;
+	spinlock_t		lock;
 	atomic_t		refcnt;
-	struct sk_buff		*fragments;
+	struct sk_buff		*fragments;  /* Used in IPv6. */
+	struct rb_root		rb_fragments; /* Used in IPv4. */
 	struct sk_buff		*fragments_tail;
+	struct sk_buff		*last_run_head;
 	ktime_t			stamp;
 	int			len;
 	int			meat;
 	__u8			flags;
 	u16			max_size;
-	struct netns_frags	*net;
-	struct hlist_node	list_evictor;
-};
-
-#define INETFRAGS_HASHSZ	1024
-
-/* averaged:
- * max_depth = default ipfrag_high_thresh / INETFRAGS_HASHSZ /
- *	       rounded up (SKB_TRUELEN(0) + sizeof(struct ipq or
- *	       struct frag_queue))
- */
-#define INETFRAGS_MAXDEPTH	128
-
-struct inet_frag_bucket {
-	struct hlist_head	chain;
-	spinlock_t		chain_lock;
+	struct netns_frags      *net;
+	struct rcu_head		rcu;
 };
 
 struct inet_frags {
-	struct inet_frag_bucket	hash[INETFRAGS_HASHSZ];
-
-	struct work_struct	frags_work;
-	unsigned int next_bucket;
-	unsigned long last_rebuild_jiffies;
-	bool rebuild;
-
-	/* The first call to hashfn is responsible to initialize
-	 * rnd. This is best done with net_get_random_once.
-	 *
-	 * rnd_seqlock is used to let hash insertion detect
-	 * when it needs to re-lookup the hash chain to use.
-	 */
-	u32			rnd;
-	seqlock_t		rnd_seqlock;
 	int			qsize;
 
-	unsigned int		(*hashfn)(const struct inet_frag_queue *);
-	bool			(*match)(const struct inet_frag_queue *q,
-					 const void *arg);
 	void			(*constructor)(struct inet_frag_queue *q,
 					       const void *arg);
 	void			(*destructor)(struct inet_frag_queue *);
 	void			(*frag_expire)(unsigned long data);
 	struct kmem_cache	*frags_cachep;
 	const char		*frags_cache_name;
+	struct rhashtable_params rhash_params;
 };
 
 int inet_frags_init(struct inet_frags *);
 void inet_frags_fini(struct inet_frags *);
 
-static inline void inet_frags_init_net(struct netns_frags *nf)
+static inline int inet_frags_init_net(struct netns_frags *nf)
 {
-	atomic_set(&nf->mem, 0);
+	atomic_long_set(&nf->mem, 0);
+	return rhashtable_init(&nf->rhashtable, &nf->f->rhash_params);
 }
-void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f);
+void inet_frags_exit_net(struct netns_frags *nf);
 
-void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f);
-void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f);
-struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
-		struct inet_frags *f, void *key, unsigned int hash);
+void inet_frag_kill(struct inet_frag_queue *q);
+void inet_frag_destroy(struct inet_frag_queue *q);
+struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key);
 
-void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
-				   const char *prefix);
+/* Free all skbs in the queue; return the sum of their truesizes. */
+unsigned int inet_frag_rbtree_purge(struct rb_root *root);
 
-static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
+static inline void inet_frag_put(struct inet_frag_queue *q)
 {
 	if (atomic_dec_and_test(&q->refcnt))
-		inet_frag_destroy(q, f);
-}
-
-static inline bool inet_frag_evicting(struct inet_frag_queue *q)
-{
-	return !hlist_unhashed(&q->list_evictor);
+		inet_frag_destroy(q);
 }
 
 /* Memory Tracking Functions. */
 
-static inline int frag_mem_limit(struct netns_frags *nf)
-{
-	return atomic_read(&nf->mem);
-}
-
-static inline void sub_frag_mem_limit(struct netns_frags *nf, int i)
+static inline long frag_mem_limit(const struct netns_frags *nf)
 {
-	atomic_sub(i, &nf->mem);
+	return atomic_long_read(&nf->mem);
 }
 
-static inline void add_frag_mem_limit(struct netns_frags *nf, int i)
+static inline void sub_frag_mem_limit(struct netns_frags *nf, long val)
 {
-	atomic_add(i, &nf->mem);
+	atomic_long_sub(val, &nf->mem);
 }
 
-static inline int sum_frag_mem_limit(struct netns_frags *nf)
+static inline void add_frag_mem_limit(struct netns_frags *nf, long val)
 {
-	return atomic_read(&nf->mem);
+	atomic_long_add(val, &nf->mem);
 }
 
 /* RFC 3168 support :
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 0464b207d0cf..6213a90a8cec 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -132,12 +132,6 @@ static inline int inet_request_bound_dev_if(const struct sock *sk,
 	return sk->sk_bound_dev_if;
 }
 
-static inline struct ip_options_rcu *ireq_opt_deref(const struct inet_request_sock *ireq)
-{
-	return rcu_dereference_check(ireq->ireq_opt,
-				     atomic_read(&ireq->req.rsk_refcnt) > 0);
-}
-
 struct inet_cork {
 	unsigned int		flags;
 	__be32			addr;
diff --git a/include/net/ip.h b/include/net/ip.h
index bc9b4deeb60e..8646da034851 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -548,7 +548,6 @@ static inline struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *s
 	return skb;
 }
 #endif
-int ip_frag_mem(struct net *net);
 
 /*
  *	Functions provided by ip_forward.c
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 978387d6c3e6..a6446d72c5d9 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -363,6 +363,7 @@ int ip_fib_check_default(__be32 gw, struct net_device *dev);
 int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
 int fib_sync_down_addr(struct net_device *dev, __be32 local);
 int fib_sync_up(struct net_device *dev, unsigned int nh_flags);
+void fib_sync_mtu(struct net_device *dev, u32 orig_mtu);
 
 extern u32 fib_multipath_secret __read_mostly;
 
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 64b0e9df31c7..7cb100d25bb5 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -330,13 +330,6 @@ static inline bool ipv6_accept_ra(struct inet6_dev *idev)
 	    idev->cnf.accept_ra;
 }
 
-#if IS_ENABLED(CONFIG_IPV6)
-static inline int ip6_frag_mem(struct net *net)
-{
-	return sum_frag_mem_limit(&net->ipv6.frags);
-}
-#endif
-
 #define IPV6_FRAG_HIGH_THRESH	(4 * 1024*1024)	/* 4194304 */
 #define IPV6_FRAG_LOW_THRESH	(3 * 1024*1024)	/* 3145728 */
 #define IPV6_FRAG_TIMEOUT	(60 * HZ)	/* 60 seconds */
@@ -530,17 +523,8 @@ enum ip6_defrag_users {
 	__IP6_DEFRAG_CONNTRACK_BRIDGE_IN = IP6_DEFRAG_CONNTRACK_BRIDGE_IN + USHRT_MAX,
 };
 
-struct ip6_create_arg {
-	__be32 id;
-	u32 user;
-	const struct in6_addr *src;
-	const struct in6_addr *dst;
-	int iif;
-	u8 ecn;
-};
-
 void ip6_frag_init(struct inet_frag_queue *q, const void *a);
-bool ip6_frag_match(const struct inet_frag_queue *q, const void *a);
+extern const struct rhashtable_params ip6_rhash_params;
 
 /*
  *	Equivalent of ipv4 struct ip
@@ -548,19 +532,13 @@ bool ip6_frag_match(const struct inet_frag_queue *q, const void *a);
 struct frag_queue {
 	struct inet_frag_queue	q;
 
-	__be32			id;		/* fragment id		*/
-	u32			user;
-	struct in6_addr		saddr;
-	struct in6_addr		daddr;
-
 	int			iif;
 	unsigned int		csum;
 	__u16			nhoffset;
 	u8			ecn;
 };
 
-void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq,
-			   struct inet_frags *frags);
+void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq);
 
 static inline bool ipv6_addr_any(const struct in6_addr *a)
 {
diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index c794c9af6c0f..a1ded2a1bf1d 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -730,6 +730,7 @@ struct btrfs_balance_item {
 #define BTRFS_FILE_EXTENT_INLINE 0
 #define BTRFS_FILE_EXTENT_REG 1
 #define BTRFS_FILE_EXTENT_PREALLOC 2
+#define BTRFS_FILE_EXTENT_TYPES	2
 
 struct btrfs_file_extent_item {
 	/*
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index e7a31f830690..3442a26d36d9 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -55,6 +55,7 @@ enum
 	IPSTATS_MIB_ECT1PKTS,			/* InECT1Pkts */
 	IPSTATS_MIB_ECT0PKTS,			/* InECT0Pkts */
 	IPSTATS_MIB_CEPKTS,			/* InCEPkts */
+	IPSTATS_MIB_REASM_OVERLAPS,		/* ReasmOverlaps */
 	__IPSTATS_MIB_MAX
 };