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 23:01:45 +0900 [thread overview]
Message-ID: <2f11576a0804040701s5b6267b0w430c29b5010bf841@mail.gmail.com> (raw)
In-Reply-To: <20080404132116.5217.14401.sendpatchset@localhost.localdomain>
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
next prev parent reply other threads:[~2008-04-04 14:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 13:21 [-mm] Make the memory controller more desktop responsive (v2) Balbir Singh
2008-04-04 14:01 ` KOSAKI Motohiro [this message]
2008-04-04 14:02 ` KOSAKI Motohiro
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