Merge tag 'v4.7-rc2' into v4l_for_linus

Linux 4.7-rc2

* tag 'v4.7-rc2': (10914 commits)
  Linux 4.7-rc2
  devpts: Make each mount of devpts an independent filesystem.
  parisc: Move die_if_kernel() prototype into traps.h header
  parisc: Fix pagefault crash in unaligned __get_user() call
  parisc: Fix printk time during boot
  parisc: Fix backtrace on PA-RISC
  mm, page_alloc: recalculate the preferred zoneref if the context can ignore memory policies
  mm, page_alloc: reset zonelist iterator after resetting fair zone allocation policy
  mm, oom_reaper: do not use siglock in try_oom_reaper()
  mm, page_alloc: prevent infinite loop in buffered_rmqueue()
  checkpatch: reduce git commit description style false positives
  mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup
  memcg: add RCU locking around css_for_each_descendant_pre() in memcg_offline_kmem()
  mm: check the return value of lookup_page_ext for all call sites
  kdump: fix dmesg gdbmacro to work with record based printk
  mm: fix overflow in vm_map_ram()
  Btrfs: deal with duplciates during extent_map insertion in btrfs_get_extent
  arm64: fix alignment when RANDOMIZE_TEXT_OFFSET is enabled
  arm64: move {PAGE,CONT}_SHIFT into Kconfig
  arm64: mm: dump: log span level
  ...

1 files changed, 9 insertions, 2 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2f7775e229b0..94aa10ffe156 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -53,6 +53,13 @@
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
 
+#define u64_to_user_ptr(x) (		\
+{					\
+	typecheck(u64, x);		\
+	(void __user *)(uintptr_t)x;	\
+}					\
+)
+
 /*
  * This looks more complex than it should be. But we need to
  * get the type for the ~ right in round_down (it needs to be
@@ -412,9 +419,9 @@ extern __printf(3, 4)
 int scnprintf(char *buf, size_t size, const char *fmt, ...);
 extern __printf(3, 0)
 int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
-extern __printf(2, 3)
+extern __printf(2, 3) __malloc
 char *kasprintf(gfp_t gfp, const char *fmt, ...);
-extern __printf(2, 0)
+extern __printf(2, 0) __malloc
 char *kvasprintf(gfp_t gfp, const char *fmt, va_list args);
 extern __printf(2, 0)
 const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list args);