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authorVladimir Davydov <vdavydov@parallels.com>2015-02-10 14:11:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-10 14:30:34 -0800
commit3e0350a36414a73c5c2d1e354f8c0ab4ace1296d (patch)
tree70d8c13dd7f32f684f0f3653fe5616c43b8726b5 /mm/memcontrol.c
parentdbf22eb6d8675fc173154d9f1bd1bd0fda53a001 (diff)
memcg: zap memcg_name argument of memcg_create_kmem_cache
Instead of passing the name of the memory cgroup which the cache is created for in the memcg_name_argument, let's obtain it immediately in memcg_create_kmem_cache. Signed-off-by: Vladimir Davydov <vdavydov@parallels.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e229e3ad615c..baf7eb27e3ae 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2607,8 +2607,6 @@ void memcg_update_array_size(int num)
static void memcg_register_cache(struct mem_cgroup *memcg,
struct kmem_cache *root_cache)
{
- static char memcg_name_buf[NAME_MAX + 1]; /* protected by
- memcg_slab_mutex */
struct kmem_cache *cachep;
int id;
@@ -2624,8 +2622,7 @@ static void memcg_register_cache(struct mem_cgroup *memcg,
if (cache_from_memcg_idx(root_cache, id))
return;
- cgroup_name(memcg->css.cgroup, memcg_name_buf, NAME_MAX + 1);
- cachep = memcg_create_kmem_cache(memcg, root_cache, memcg_name_buf);
+ cachep = memcg_create_kmem_cache(memcg, root_cache);
/*
* If we could not create a memcg cache, do not complain, because
* that's not critical at all as we can always proceed with the root