From: Vladimir Davydov <vdavydov@parallels.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>,
linux-mm@kvack.org, Hugh Dickins <hughd@google.com>,
Tejun Heo <tj@kernel.org>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 7/9] mm: memcontrol: do not acquire page_cgroup lock for kmem pages
Date: Fri, 23 May 2014 18:29:31 +0400 [thread overview]
Message-ID: <20140523142929.GC3147@esperanza> (raw)
In-Reply-To: <20140523133938.GC22135@dhcp22.suse.cz>
On Fri, May 23, 2014 at 03:39:38PM +0200, Michal Hocko wrote:
> I am adding Vladimir to CC
>
> On Wed 30-04-14 16:25:41, Johannes Weiner wrote:
> > Kmem page charging and uncharging is serialized by means of exclusive
> > access to the page. Do not take the page_cgroup lock and don't set
> > pc->flags atomically.
> >
> > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vladimir Davydov <vdavydov@parallels.com>
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next prev parent reply other threads:[~2014-05-23 14:29 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-30 20:25 [patch 0/9] mm: memcontrol: naturalize charge lifetime Johannes Weiner
2014-04-30 20:25 ` [patch 1/9] mm: memcontrol: fold mem_cgroup_do_charge() Johannes Weiner
2014-04-30 20:25 ` [patch 2/9] mm: memcontrol: rearrange charging fast path Johannes Weiner
2014-05-07 14:33 ` Michal Hocko
2014-05-08 18:22 ` Johannes Weiner
2014-05-12 7:59 ` Michal Hocko
2014-04-30 20:25 ` [patch 3/9] mm: memcontrol: retry reclaim for oom-disabled and __GFP_NOFAIL charges Johannes Weiner
2014-05-07 14:43 ` Michal Hocko
2014-05-08 18:28 ` Johannes Weiner
2014-04-30 20:25 ` [patch 4/9] mm: memcontrol: catch root bypass in move precharge Johannes Weiner
2014-05-07 14:55 ` Michal Hocko
2014-05-08 18:30 ` Johannes Weiner
2014-04-30 20:25 ` [patch 5/9] mm: memcontrol: use root_mem_cgroup res_counter Johannes Weiner
2014-05-07 15:14 ` Michal Hocko
2014-04-30 20:25 ` [patch 6/9] mm: memcontrol: remove ordering between pc->mem_cgroup and PageCgroupUsed Johannes Weiner
2014-05-23 13:20 ` Michal Hocko
2014-05-27 19:45 ` Johannes Weiner
2014-05-28 11:31 ` Michal Hocko
2014-04-30 20:25 ` [patch 7/9] mm: memcontrol: do not acquire page_cgroup lock for kmem pages Johannes Weiner
2014-05-23 13:39 ` Michal Hocko
2014-05-23 13:40 ` Michal Hocko
2014-05-23 14:29 ` Vladimir Davydov [this message]
2014-05-27 19:53 ` Johannes Weiner
2014-05-28 11:33 ` Michal Hocko
2014-04-30 20:25 ` [patch 8/9] mm: memcontrol: rewrite charge API Johannes Weiner
2014-05-23 14:18 ` Michal Hocko
2014-05-23 14:54 ` Michal Hocko
2014-05-23 15:18 ` Michal Hocko
2014-05-27 20:05 ` Johannes Weiner
2014-05-28 11:37 ` Michal Hocko
2014-04-30 20:25 ` [patch 9/9] mm: memcontrol: rewrite uncharge API Johannes Weiner
2014-05-04 14:32 ` Johannes Weiner
2014-05-27 7:43 ` Kamezawa Hiroyuki
2014-05-27 18:59 ` Johannes Weiner
2014-05-02 11:26 ` [patch 0/9] mm: memcontrol: naturalize charge lifetime Michal Hocko
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