From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 02DFD660021 for ; Tue, 3 Aug 2010 22:45:27 -0400 (EDT) Message-Id: <20100804024526.723788302@linux.com> Date: Tue, 03 Aug 2010 21:45:19 -0500 From: Christoph Lameter Subject: [S+Q3 05/23] Subjec Slub: Force no inlining of debug functions References: <20100804024514.139976032@linux.com> Content-Disposition: inline; filename=slub_nolinline Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Nick Piggin , David Rientjes List-ID: Compiler folds the debgging functions into the critical paths. Avoid that by adding noinline to the functions that check for problems. Signed-off-by: Christoph Lameter --- 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; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org