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Message-ID: <48BBAE08.1040804@openvz.org>
Date: Mon, 01 Sep 2008 12:55:36 +0400
From: Pavel Emelyanov <xemul@openvz.org>
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To: Li Zefan <lizf@cn.fujitsu.com>
CC: Andrew Morton <akpm@linux-foundation.org>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
       Balbir Singh <balbir@linux.vnet.ibm.com>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] res_counter: fix off-by-one bug in setting limit
References: <48BB78E7.5080001@cn.fujitsu.com>
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Li Zefan wrote:
> I found we can no longer set limit to 0 with 2.6.27-rcX:
>  # mount -t cgroup -omemory xxx /mnt
>  # mkdir /mnt/0
>  # echo 0 > /mnt/0/memory.limit_in_bytes
>  bash: echo: write error: Device or resource busy
> 
> It turned out 'limit' can't be set to 'usage', which is wrong IMO.
> 
> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

Acked-by: Pavel Emelyanov <xemul@openvz.org>