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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@parallels.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Lameter <cl@linux.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Vladimir Davydov 2014-08-06 16:07:33 -07:00 committed by Linus Torvalds
parent 9ef0a0ffa2
commit aee52cae00
1 changed files with 0 additions and 6 deletions
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6
mm/slub.c
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@ -5128,12 +5128,6 @@ 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;
}