From: "KOSAKI Motohiro" <m-kosaki@ceres.dti.ne.jp>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
Paul Menage <menage@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Pavel Emelianov <xemul@openvz.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [-mm] Make the memory controller more desktop responsive (v2)
Date: Fri, 4 Apr 2008 23:02:51 +0900 [thread overview]
Message-ID: <2f11576a0804040702j854653ble14fe655d25b922f@mail.gmail.com> (raw)
In-Reply-To: <2f11576a0804040701s5b6267b0w430c29b5010bf841@mail.gmail.com>
On Fri, Apr 4, 2008 at 11:01 PM, KOSAKI Motohiro
<m-kosaki@ceres.dti.ne.jp> wrote:
> Hi
>
>
> > @@ -612,7 +611,7 @@ retry:
> > pc->page = page;
> > pc->flags = PAGE_CGROUP_FLAG_ACTIVE;
> > if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE)
> > - pc->flags |= PAGE_CGROUP_FLAG_CACHE;
> > + pc->flags = PAGE_CGROUP_FLAG_CACHE;
> >
> > lock_page_cgroup(page);
> > if (page_get_page_cgroup(page)) {
>
> Yes.
> in general, cache page create as cold page.
> if not, large file copy or streaming file drop all cache easily.
>
> Reviewd-by: KOSAKI
sorry, I sent premature document.
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
prev parent reply other threads:[~2008-04-04 14:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 13:21 Balbir Singh
2008-04-04 14:01 ` KOSAKI Motohiro
2008-04-04 14:02 ` KOSAKI Motohiro [this message]
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