From: Fengguang Wu <fengguang.wu@intel.com>
To: Sha Zhengju <handai.szj@gmail.com>
Cc: linux-mm@kvack.org, cgroups@vger.kernel.org,
kamezawa.hiroyu@jp.fujitsu.com, gthelen@google.com,
yinghan@google.com, akpm@linux-foundation.org, mhocko@suse.cz,
linux-kernel@vger.kernel.org, Sha Zhengju <handai.szj@taobao.com>
Subject: Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED
Date: Sat, 7 Jul 2012 21:48:56 +0800 [thread overview]
Message-ID: <20120707134856.GB23648@localhost> (raw)
In-Reply-To: <1340881111-5576-1-git-send-email-handai.szj@taobao.com>
On Thu, Jun 28, 2012 at 06:58:31PM +0800, Sha Zhengju wrote:
> From: Sha Zhengju <handai.szj@taobao.com>
>
> While accounting memcg page stat, it's not worth to use MEMCG_NR_FILE_MAPPED
> as an extra layer of indirection because of the complexity and presumed
> performance overhead. We can use MEM_CGROUP_STAT_FILE_MAPPED directly.
>
> Signed-off-by: Sha Zhengju <handai.szj@taobao.com>
> ---
> include/linux/memcontrol.h | 25 +++++++++++++++++--------
> mm/memcontrol.c | 24 +-----------------------
> mm/rmap.c | 4 ++--
> 3 files changed, 20 insertions(+), 33 deletions(-)
Nice cleanup!
Acked-by: Fengguang Wu <fengguang.wu@intel.com>
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next prev parent reply other threads:[~2012-07-07 13:49 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-28 10:54 [PATCH 0/7] Per-cgroup page stat accounting Sha Zhengju
2012-06-28 10:57 ` [PATCH 1/7] memcg: update cgroup memory document Sha Zhengju
2012-07-02 7:00 ` Kamezawa Hiroyuki
2012-07-04 12:47 ` Michal Hocko
2012-07-07 13:45 ` Fengguang Wu
2012-06-28 10:58 ` [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED Sha Zhengju
2012-07-02 10:44 ` Kamezawa Hiroyuki
2012-07-04 12:56 ` Michal Hocko
2012-07-04 12:58 ` Michal Hocko
2012-07-07 13:48 ` Fengguang Wu [this message]
2012-07-09 21:01 ` Greg Thelen
2012-07-11 8:00 ` Sha Zhengju
2012-06-28 11:01 ` [PATCH 3/7] Make TestSetPageDirty and dirty page accounting in one func Sha Zhengju
2012-07-02 11:14 ` Kamezawa Hiroyuki
2012-07-07 14:42 ` Fengguang Wu
2012-07-04 14:23 ` Michal Hocko
2012-06-28 11:03 ` [PATCH 4/7] Use vfs __set_page_dirty interface instead of doing it inside filesystem Sha Zhengju
2012-06-29 5:21 ` Sage Weil
2012-07-02 8:10 ` Sha Zhengju
2012-07-02 14:49 ` Sage Weil
2012-07-04 8:11 ` Sha Zhengju
2012-07-05 15:20 ` Sage Weil
2012-07-05 15:40 ` Sha Zhengju
2012-07-04 14:27 ` Michal Hocko
2012-06-28 11:04 ` [PATCH 5/7] memcg: add per cgroup dirty pages accounting Sha Zhengju
2012-07-03 5:57 ` Kamezawa Hiroyuki
2012-07-08 14:45 ` Fengguang Wu
2012-07-04 16:11 ` Michal Hocko
2012-07-09 21:02 ` Greg Thelen
2012-07-11 9:32 ` Sha Zhengju
2012-07-19 6:33 ` Kamezawa Hiroyuki
2012-06-28 11:05 ` [PATCH 6/7] memcg: add per cgroup writeback " Sha Zhengju
2012-07-03 6:31 ` Kamezawa Hiroyuki
2012-07-04 8:24 ` Sha Zhengju
2012-07-08 14:44 ` Fengguang Wu
2012-07-08 23:01 ` Johannes Weiner
2012-07-09 1:37 ` Fengguang Wu
2012-07-04 16:15 ` Michal Hocko
2012-06-28 11:06 ` Sha Zhengju
2012-07-08 14:53 ` Fengguang Wu
2012-07-09 3:36 ` Sha Zhengju
2012-07-09 4:14 ` Fengguang Wu
2012-07-09 4:18 ` Kamezawa Hiroyuki
2012-07-09 5:22 ` Sha Zhengju
2012-07-09 5:28 ` Fengguang Wu
2012-07-09 5:19 ` Sha Zhengju
2012-07-09 5:25 ` Fengguang Wu
2012-07-09 21:02 ` Greg Thelen
2012-06-28 11:06 ` [PATCH 7/7] memcg: print more detailed info while memcg oom happening Sha Zhengju
2012-07-04 8:25 ` Sha Zhengju
2012-07-04 8:29 ` Kamezawa Hiroyuki
2012-07-04 11:20 ` Sha Zhengju
2012-06-29 8:23 ` [PATCH 0/7] Per-cgroup page stat accounting Kamezawa Hiroyuki
2012-07-02 7:51 ` Sha Zhengju
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