[S+Q Cleanup2 1/6] Slub: Force no inlining of debug functions

[Christoph Lameter <cl@linux-foundation.org>]

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

Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>

---
 mm/slub.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c	2010-07-29 18:32:26.000000000 -0500
+++ linux-2.6/mm/slub.c	2010-07-29 18:32:33.000000000 -0500
@@ -857,7 +857,7 @@ static void setup_object_debug(struct km
 	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))
@@ -897,8 +897,8 @@ bad:
 	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;

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