From: Christoph Lameter <clameter@sgi.com>
Date: Wed, 9 May 2007 09:32:36 +0000 (-0700)
Subject: SLUB: after object padding only needed for Redzoning
X-Git-Tag: v2.6.22-rc1~330
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be7b3fbcef34452127bed93632b8e788f685d70e;p=linux-2.6

SLUB: after object padding only needed for Redzoning

If no redzoning is selected then we do not need padding before the next
object.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/slub.c b/mm/slub.c
index 40e92d8d4b..beac34a5e4 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1661,7 +1661,7 @@ static int calculate_sizes(struct kmem_cache *s)
 		 */
 		size += 2 * sizeof(struct track);
 
-	if (flags & DEBUG_DEFAULT_FLAGS)
+	if (flags & SLAB_RED_ZONE)
 		/*
 		 * Add some empty padding so that we can catch
 		 * overwrites from earlier objects rather than let