linux-kernel - Re: [PATCH 9/12] memcg allocate all page

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Message-Id: <20081001143242.1b44de24.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Wed, 1 Oct 2008 14:32:42 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	balbir@...ux.vnet.ibm.com,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"xemul@...nvz.org" <xemul@...nvz.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Hansen <haveblue@...ibm.com>, ryov@...inux.co.jp
Subject: Re: [PATCH 9/12] memcg allocate all page_cgroup at boot

On Wed, 1 Oct 2008 14:07:48 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> > Can we make this patch indepedent of the flags changes and push it in ASAP.
> > 
> Need much work....Hmm..rewrite all again ? 
> 

BTW, do you have good idea to modify flag bit without affecting LOCK bit on
page_cgroup->flags ?

At least, we'll have to set ACTIVE/INACTIVE/UNEVICTABLE flags dynamically.
take lock_page_cgroup() always ?
__mem_cgroup_move_lists() will have some amount of changes. And we should
check dead lock again.

Thanks,
-Kame

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