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-rw-r--r--mm/slab.h13
1 files changed, 3 insertions, 10 deletions
diff --git a/mm/slab.h b/mm/slab.h
index f01ac256a8f5..ad8f6af3a22f 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -294,11 +294,11 @@ static inline bool is_kmalloc_cache(struct kmem_cache *s)
#if defined(CONFIG_SLAB)
#define SLAB_CACHE_FLAGS (SLAB_MEM_SPREAD | SLAB_NOLEAKTRACE | \
SLAB_RECLAIM_ACCOUNT | SLAB_TEMPORARY | \
- SLAB_ACCOUNT)
+ SLAB_ACCOUNT | SLAB_NO_MERGE)
#elif defined(CONFIG_SLUB)
#define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE | SLAB_RECLAIM_ACCOUNT | \
SLAB_TEMPORARY | SLAB_ACCOUNT | \
- SLAB_NO_USER_FLAGS | SLAB_KMALLOC)
+ SLAB_NO_USER_FLAGS | SLAB_KMALLOC | SLAB_NO_MERGE)
#else
#define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE)
#endif
@@ -319,6 +319,7 @@ static inline bool is_kmalloc_cache(struct kmem_cache *s)
SLAB_TEMPORARY | \
SLAB_ACCOUNT | \
SLAB_KMALLOC | \
+ SLAB_NO_MERGE | \
SLAB_NO_USER_FLAGS)
bool __kmem_cache_empty(struct kmem_cache *);
@@ -832,16 +833,8 @@ struct kmem_obj_info {
void __kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct slab *slab);
#endif
-#ifdef CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR
void __check_heap_object(const void *ptr, unsigned long n,
const struct slab *slab, bool to_user);
-#else
-static inline
-void __check_heap_object(const void *ptr, unsigned long n,
- const struct slab *slab, bool to_user)
-{
-}
-#endif
#ifdef CONFIG_SLUB_DEBUG
void skip_orig_size_check(struct kmem_cache *s, const void *object);