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-rw-r--r--include/linux/kasan.h13
-rw-r--r--include/linux/memcontrol.h2
-rw-r--r--include/linux/slab.h4
3 files changed, 14 insertions, 5 deletions
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 890011071f2b..acdc8cb0152e 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -200,7 +200,7 @@ static __always_inline bool kasan_slab_pre_free(struct kmem_cache *s,
}
bool __kasan_slab_free(struct kmem_cache *s, void *object, bool init,
- bool still_accessible);
+ bool still_accessible, bool no_quarantine);
/**
* kasan_slab_free - Poison, initialize, and quarantine a slab object.
* @object: Object to be freed.
@@ -226,11 +226,13 @@ bool __kasan_slab_free(struct kmem_cache *s, void *object, bool init,
* @Return true if KASAN took ownership of the object; false otherwise.
*/
static __always_inline bool kasan_slab_free(struct kmem_cache *s,
- void *object, bool init,
- bool still_accessible)
+ void *object, bool init,
+ bool still_accessible,
+ bool no_quarantine)
{
if (kasan_enabled())
- return __kasan_slab_free(s, object, init, still_accessible);
+ return __kasan_slab_free(s, object, init, still_accessible,
+ no_quarantine);
return false;
}
@@ -427,7 +429,8 @@ static inline bool kasan_slab_pre_free(struct kmem_cache *s, void *object)
}
static inline bool kasan_slab_free(struct kmem_cache *s, void *object,
- bool init, bool still_accessible)
+ bool init, bool still_accessible,
+ bool no_quarantine)
{
return false;
}
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d254c0b96d0d..82563236f35c 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -358,6 +358,8 @@ enum objext_flags {
* MEMCG_DATA_OBJEXTS.
*/
OBJEXTS_ALLOC_FAIL = __OBJEXTS_ALLOC_FAIL,
+ /* slabobj_ext vector allocated with kmalloc_nolock() */
+ OBJEXTS_NOSPIN_ALLOC = __FIRST_OBJEXT_FLAG,
/* the next bit after the last actual flag */
__NR_OBJEXTS_FLAGS = (__FIRST_OBJEXT_FLAG << 1),
};
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 680193356ac7..561597dd2164 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -501,6 +501,7 @@ void * __must_check krealloc_noprof(const void *objp, size_t new_size,
#define krealloc(...) alloc_hooks(krealloc_noprof(__VA_ARGS__))
void kfree(const void *objp);
+void kfree_nolock(const void *objp);
void kfree_sensitive(const void *objp);
size_t __ksize(const void *objp);
@@ -957,6 +958,9 @@ static __always_inline __alloc_size(1) void *kmalloc_noprof(size_t size, gfp_t f
}
#define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__))
+void *kmalloc_nolock_noprof(size_t size, gfp_t gfp_flags, int node);
+#define kmalloc_nolock(...) alloc_hooks(kmalloc_nolock_noprof(__VA_ARGS__))
+
#define kmem_buckets_alloc(_b, _size, _flags) \
alloc_hooks(__kmalloc_node_noprof(PASS_BUCKET_PARAMS(_size, _b), _flags, NUMA_NO_NODE))