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authorAlexander Potapenko <glider@google.com>2016-03-26 00:22:02 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-26 02:37:42 +0300
commit505f5dcb1c419e55a9621a01f83eb5745d8d7398 (patch)
tree4d608fdad5254972f8bba02f437060764e30bc6f /mm/slub.c
parent7ed2f9e663854db313f177a511145630e398b402 (diff)
downloadlinux-505f5dcb1c419e55a9621a01f83eb5745d8d7398.tar.xz
mm, kasan: add GFP flags to KASAN API
Add GFP flags to KASAN hooks for future patches to use. This patch is based on the "mm: kasan: unified support for SLUB and SLAB allocators" patch originally prepared by Dmitry Chernenkov. Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Andrey Konovalov <adech.fo@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Konstantin Serebryany <kcc@google.com> Cc: Dmitry Chernenkov <dmitryc@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 7277413ebc8b..4dbb109eb8cd 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1313,7 +1313,7 @@ static inline void dec_slabs_node(struct kmem_cache *s, int node,
static inline void kmalloc_large_node_hook(void *ptr, size_t size, gfp_t flags)
{
kmemleak_alloc(ptr, size, 1, flags);
- kasan_kmalloc_large(ptr, size);
+ kasan_kmalloc_large(ptr, size, flags);
}
static inline void kfree_hook(const void *x)
@@ -2596,7 +2596,7 @@ void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
{
void *ret = slab_alloc(s, gfpflags, _RET_IP_);
trace_kmalloc(_RET_IP_, ret, size, s->size, gfpflags);
- kasan_kmalloc(s, ret, size);
+ kasan_kmalloc(s, ret, size, gfpflags);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_trace);
@@ -2624,7 +2624,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
trace_kmalloc_node(_RET_IP_, ret,
size, s->size, gfpflags, node);
- kasan_kmalloc(s, ret, size);
+ kasan_kmalloc(s, ret, size, gfpflags);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_node_trace);
@@ -3182,7 +3182,8 @@ static void early_kmem_cache_node_alloc(int node)
init_object(kmem_cache_node, n, SLUB_RED_ACTIVE);
init_tracking(kmem_cache_node, n);
#endif
- kasan_kmalloc(kmem_cache_node, n, sizeof(struct kmem_cache_node));
+ kasan_kmalloc(kmem_cache_node, n, sizeof(struct kmem_cache_node),
+ GFP_KERNEL);
init_kmem_cache_node(n);
inc_slabs_node(kmem_cache_node, node, page->objects);
@@ -3561,7 +3562,7 @@ void *__kmalloc(size_t size, gfp_t flags)
trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
- kasan_kmalloc(s, ret, size);
+ kasan_kmalloc(s, ret, size, flags);
return ret;
}
@@ -3606,7 +3607,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
- kasan_kmalloc(s, ret, size);
+ kasan_kmalloc(s, ret, size, flags);
return ret;
}
@@ -3635,7 +3636,7 @@ size_t ksize(const void *object)
size_t size = __ksize(object);
/* We assume that ksize callers could use whole allocated area,
so we need unpoison this area. */
- kasan_krealloc(object, size);
+ kasan_krealloc(object, size, GFP_NOWAIT);
return size;
}
EXPORT_SYMBOL(ksize);