From: Yi Li <yi.li@analog.com>
Date: Fri, 25 Apr 2008 16:49:21 +0000 (+0300)
Subject: slob: fix bug - when slob allocates "struct kmem_cache", it does not force alignment.
X-Git-Tag: v2.6.26-rc1~695^2~14
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0701a9e649bf0ffdac0a761d3c3d1041f5375d90;p=linux-2.6

slob: fix bug - when slob allocates "struct kmem_cache", it does not force alignment.

This may trigger misaligned memory access exception.

Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---

diff --git a/mm/slob.c b/mm/slob.c
index e2c3c0ec54..6038cbadf7 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -533,7 +533,8 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
 {
 	struct kmem_cache *c;
 
-	c = slob_alloc(sizeof(struct kmem_cache), flags, 0, -1);
+	c = slob_alloc(sizeof(struct kmem_cache),
+		flags, ARCH_KMALLOC_MINALIGN, -1);
 
 	if (c) {
 		c->name = name;