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| author | Johannes Weiner <hannes@cmpxchg.org> | 2012-05-29 15:07:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:27 -0700 |
| commit | 6104621de4ffd94d66eae59cedc70d742a92316b (patch) | |
| tree | b3e84fba03bde89409d8707029e743f238ef8d46 /mm/memcontrol.c | |
| parent | 04eac7ffdea1090f81bc33bd8f4bf072b1fe5bdb (diff) | |
| download | lwn-6104621de4ffd94d66eae59cedc70d742a92316b.tar.gz lwn-6104621de4ffd94d66eae59cedc70d742a92316b.zip | |
mm: memcg: remove obsolete statistics array boundary enum item
MEM_CGROUP_STAT_DATA is a leftover from when item counters were living in
the same array as ever-increasing event counters. It's no longer needed,
use MEM_CGROUP_STAT_NSTATS to iterate over the stat array.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ying Han <yinghan@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 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 37bae5571a47..6f0c5e7f9197 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -88,7 +88,6 @@ enum mem_cgroup_stat_index { MEM_CGROUP_STAT_RSS, /* # of pages charged as anon rss */ MEM_CGROUP_STAT_FILE_MAPPED, /* # of pages charged as file rss */ MEM_CGROUP_STAT_SWAPOUT, /* # of pages, swapped out */ - MEM_CGROUP_STAT_DATA, /* end of data requires synchronization */ MEM_CGROUP_STAT_NSTATS, }; @@ -2135,7 +2134,7 @@ static void mem_cgroup_drain_pcp_counter(struct mem_cgroup *memcg, int cpu) int i; spin_lock(&memcg->pcp_counter_lock); - for (i = 0; i < MEM_CGROUP_STAT_DATA; i++) { + for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) { long x = per_cpu(memcg->stat->count[i], cpu); per_cpu(memcg->stat->count[i], cpu) = 0; |