diff options
| author |   Glauber Costa <glommer@parallels.com> | 2012-12-18 14:22:46 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-18 15:02:14 -0800 |
| commit | b9ce5ef49f00daf2254c6953c8d31f79aabccd34 (patch) | |
| tree | 1da6afdbb3dc2e2d31f588dbfbf502e984af48a6 /include/linux/memcontrol.h | |
| parent | memcg: skip memcg kmem allocations in specified code regions (diff) | |
| download | linux-dev-b9ce5ef49f00daf2254c6953c8d31f79aabccd34.tar.xz linux-dev-b9ce5ef49f00daf2254c6953c8d31f79aabccd34.zip | |
sl[au]b: always get the cache from its page in kmem_cache_free()
struct page already has this information. If we start chaining caches,
this information will always be more trustworthy than whatever is passed
into the function.
Signed-off-by: Glauber Costa <glommer@parallels.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Frederic Weisbecker <fweisbec@redhat.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: JoonSoo Kim <js1304@gmail.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Rik van Riel <riel@redhat.com>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index bd9b5d73bc2b..2298122e71ad 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -554,6 +554,11 @@ memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp) return __memcg_kmem_get_cache(cachep, gfp); } #else +static inline bool memcg_kmem_enabled(void) +{ + return false; +} + static inline bool memcg_kmem_newpage_charge(gfp_t gfp, struct mem_cgroup **memcg, int order) { |