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Date: Tue, 11 Nov 2008 11:54:16 +0530
From: Balbir Singh <balbir@...ux.vnet.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC: linux-mm@...ck.org, YAMAMOTO Takashi <yamamoto@...inux.co.jp>,
Paul Menage <menage@...gle.com>, lizf@...fujitsu.com,
linux-kernel@...r.kernel.org,
Nick Piggin <nickpiggin@...oo.com.au>,
David Rientjes <rientjes@...gle.com>,
Pavel Emelianov <xemul@...nvz.org>,
Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][mm] [PATCH 3/4] Memory cgroup hierarchical reclaim (v2)
KAMEZAWA Hiroyuki wrote:
>>
> please see mem+swap controller's refcnt-to-memcg for delaying free of memcg.
> it will be a hint.
>
I'll integrate with those patches later. I see a memcg->swapref, but we don't
need to delay deletion for last_scanned_child, we need to make sure that the
parent does not have any invalid entries.
--
Balbir
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