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Commit 1537066c authored by Christoph Lameter's avatar Christoph Lameter Committed by Pekka Enberg
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slub: Force no inlining of debug functions 



Compiler folds the debgging functions into the critical paths.
Avoid that by adding noinline to the functions that check for
problems.

Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarChristoph Lameter <cl@linux.com>
Signed-off-by: default avatarPekka Enberg <penberg@kernel.org>
parent 899611ee

mm/slub.c

+3 −3
Original line number Diff line number Diff line
@@ -862,7 +862,7 @@ static void setup_object_debug(struct kmem_cache *s, struct page *page, 
	init_tracking(s, object);

}



static int alloc_debug_processing(struct kmem_cache *s, struct page *page,

static noinline int alloc_debug_processing(struct kmem_cache *s, struct page *page,

					void *object, unsigned long addr)

{

	if (!check_slab(s, page))
@@ -902,8 +902,8 @@ static int alloc_debug_processing(struct kmem_cache *s, struct page *page, 
	return 0;

}



static int free_debug_processing(struct kmem_cache *s, struct page *page,

					void *object, unsigned long addr)

static noinline int free_debug_processing(struct kmem_cache *s,

		 struct page *page, void *object, unsigned long addr)

{

	if (!check_slab(s, page))

		goto fail;