linux-kernel - Re: [RFC][PATCH -mmotm 4/4] memcg: change try_to_free_pages tohierarchical

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Message-ID: <58995.10.75.179.61.1228483840.squirrel@webmail-b.css.fujitsu.com>
Date:	Fri, 5 Dec 2008 22:30:40 +0900 (JST)
From:	"KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>
To:	"Daisuke Nishimura" <nishimura@....nes.nec.co.jp>
Cc:	"LKML" <linux-kernel@...r.kernel.org>,
	"linux-mm" <linux-mm@...ck.org>,
	"Balbir Singh" <balbir@...ux.vnet.ibm.com>,
	"KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>,
	"Pavel Emelyanov" <xemul@...nvz.org>,
	"Li Zefan" <lizf@...fujitsu.com>,
	"Paul Menage" <menage@...gle.com>, nishimura@....nes.nec.co.jp
Subject: Re: [RFC][PATCH -mmotm 4/4] memcg: change try_to_free_pages 
     tohierarchical_reclaim

Daisuke Nishimura said:
> mem_cgroup_hierarchicl_reclaim() works properly even when !use_hierarchy
> now,
> so, instead of try_to_free_mem_cgroup_pages(), it should be used in many
> cases.
>
> The only exception is force_empty. The group has no children in this case.
>
Hmm...I postponed this until removing cgroup_lock from reclaim..
But ok, this is a way to go,
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>



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