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Message-ID: <b86712dab8660717e841bb7c9b8a79de91645d3a.1405941342.git.vdavydov@parallels.com>
Date:	Mon, 21 Jul 2014 15:47:11 +0400
From:	Vladimir Davydov <vdavydov@...allels.com>
To:	<akpm@...ux-foundation.org>
CC:	<mhocko@...e.cz>, <hannes@...xchg.org>, <cl@...ux.com>,
	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -mm 1/6] slub: remove kmemcg id from create_unique_id

This function is never called for memcg caches, because they are
unmergeable, so remove the dead code.

Signed-off-by: Vladimir Davydov <vdavydov@...allels.com>
---
 mm/slub.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 2b068c3638aa..a1cdbad02f0c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5130,12 +5130,6 @@ static char *create_unique_id(struct kmem_cache *s)
 		*p++ = '-';
 	p += sprintf(p, "%07d", s->size);
 
-#ifdef CONFIG_MEMCG_KMEM
-	if (!is_root_cache(s))
-		p += sprintf(p, "-%08d",
-				memcg_cache_id(s->memcg_params->memcg));
-#endif
-
 	BUG_ON(p > name + ID_STR_LENGTH - 1);
 	return name;
 }
-- 
1.7.10.4

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