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Date: Thu, 14 Feb 2008 21:16:48 -0800
From: "Paul Menage" <menage@google.com>
Subject: Re: [RFC] [PATCH 3/4] Reclaim from groups over their soft limit under memory pressure
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To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: balbir@linux.vnet.ibm.com, linux-mm@kvack.org, Hugh Dickins <hugh@veritas.com>, Peter Zijlstra <a.p.zijlstra@chello.nl>, YAMAMOTO Takashi <yamamoto@valinux.co.jp>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Herbert Poetzl <herbert@13thfloor.at>, "Eric W. Biederman" <ebiederm@xmission.com>, David Rientjes <rientjes@google.com>, Pavel Emelianov <xemul@openvz.org>, Nick Piggin <nickpiggin@yahoo.com.au>, Rik Van Riel <riel@redhat.com>, Andrew Morton <akpm@linux-foundation.org>
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On Thu, Feb 14, 2008 at 9:07 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@jp.fujitsu.com> wrote:
>  We can free memory by just making memory.limit to smaller number.
>  (This may cause OOM. If we added high-low watermark, making memory.high smaller
>   can works well for memory freeing to some extent.)
>

What about if we want to apply memory pressure to a cgroup to push out
unused memory, but not push out memory that it's actively using?

Paul

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