From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx164.postini.com [74.125.245.164]) by kanga.kvack.org (Postfix) with SMTP id 3A2E06B00EF for ; Fri, 25 May 2012 12:12:23 -0400 (EDT) Received: by pbbrp2 with SMTP id rp2so2502542pbb.14 for ; Fri, 25 May 2012 09:12:22 -0700 (PDT) From: Chen Baozi Subject: [PATCH] memcg: remove the unnecessary MEM_CGROUP_STAT_DATA Date: Fri, 25 May 2012 16:11:41 +0800 Message-Id: <1337933501-3985-1-git-send-email-baozich@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: KAMEZAWA Hiroyuki Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Chen Baozi Since MEM_CGROUP_ON_MOVE has been removed, it comes to be redudant to hold MEM_CGROUP_STAT_DATA to mark the end of data requires synchronization. Signed-off-by: Chen Baozi --- mm/memcontrol.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f342778..446ca94 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, }; @@ -2139,7 +2138,7 @@ 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; -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org