From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
"bsingharora@gmail.com" <bsingharora@gmail.com>,
Michal Hocko <mhocko@suse.cz>, Ying Han <yinghan@google.com>,
Shaohua Li <shaohua.li@intel.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH] [Cleanup] memcg: export memory cgroup's swappiness v2
Date: Fri, 1 Jul 2011 10:30:07 +0900 [thread overview]
Message-ID: <20110701103007.8110f130.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20110701101624.a10b7e34.kamezawa.hiroyu@jp.fujitsu.com>
On Fri, 1 Jul 2011 10:16:24 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Thu, 30 Jun 2011 18:06:53 -0700
> Andrew Morton <akpm@linux-foundation.org> wrote:
>
> > On Fri, 1 Jul 2011 09:20:59 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> >
> > > On Fri, 1 Jul 2011 08:50:13 +0900
> > > KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> > >
> > > > On Thu, 30 Jun 2011 13:01:34 -0700
> > > > Andrew Morton <akpm@linux-foundation.org> wrote:
> > >
> > > > Ok, I'll check it. Maybe I miss !CONFIG_SWAP...
> > > >
> > >
> > > v4 here. Thank you for pointing out. I could think of several ways but
> > > maybe this one is good because using vm_swappines with !CONFIG_SWAP seems
> > > to be a bug.
> >
> > No, it isn't a bug - swappiness also controls the kernel's eagerness to
> > unmap and reclaim mmapped pagecache.
> >
>
> Oh, really ? I didn't understand that.
>
Hmm, anyway, this new version of fix seems better.
==
next prev parent reply other threads:[~2011-07-01 1:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-29 10:03 KAMEZAWA Hiroyuki
2011-06-29 12:20 ` Michal Hocko
2011-06-29 13:00 ` Balbir Singh
2011-06-29 20:00 ` Andrew Morton
2011-06-30 3:32 ` KAMEZAWA Hiroyuki
2011-06-30 6:32 ` Michal Hocko
2011-06-30 7:10 ` KAMEZAWA Hiroyuki
2011-06-30 7:33 ` Michal Hocko
2011-06-30 20:01 ` Andrew Morton
2011-06-30 23:50 ` KAMEZAWA Hiroyuki
2011-07-01 0:20 ` KAMEZAWA Hiroyuki
2011-07-01 1:06 ` Andrew Morton
2011-07-01 1:16 ` KAMEZAWA Hiroyuki
2011-07-01 1:30 ` KAMEZAWA Hiroyuki [this message]
2011-07-01 7:10 ` KAMEZAWA Hiroyuki
2011-07-06 5:18 ` [PATCH] [Cleanup] memcg: export memory cgroup's swappiness v5 KAMEZAWA Hiroyuki
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