linux-kernel - Re: [RFC/PATCH 4/6] memcg: shmem reclaim helper

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Message-Id: <20080514172531.672e0447.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Wed, 14 May 2008 17:25:31 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"xemul@...nvz.org" <xemul@...nvz.org>,
	"yamamoto@...inux.co.jp" <yamamoto@...inux.co.jp>,
	"hugh@...itas.com" <hugh@...itas.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC/PATCH 4/6] memcg: shmem reclaim helper

On Wed, 14 May 2008 16:15:49 +0800
Li Zefan <lizf@...fujitsu.com> wrote:

> > +	while(!progress && --retry) {
> > +		progress = try_to_free_mem_cgroup_pages(mem, gfp_mask);
> > +	}
> 
> This is wrong. How about:
> 	do {
> 		...
> 	} while (!progress && --retry);
> 
Ouch, or retry--....

Thank you for catching.

Thanks
-Kame

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