linux-kernel - Re: [mm] [PATCH 2/4] Add the soft limit interface v2

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Message-ID: <47BA9573.1090703@linux.vnet.ibm.com>
Date:	Tue, 19 Feb 2008 14:08:11 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Li Zefan <lizf@...fujitsu.com>
CC:	linux-mm@...ck.org, Hugh Dickins <hugh@...itas.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sudhir Kumar <skumar@...ux.vnet.ibm.com>,
	YAMAMOTO Takashi <yamamoto@...inux.co.jp>,
	Herbert Poetzl <herbert@...hfloor.at>,
	Paul Menage <menage@...gle.com>, linux-kernel@...r.kernel.org,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Emelianov <xemul@...nvz.org>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Rik Van Riel <riel@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [mm] [PATCH 2/4] Add the soft limit interface v2

Li Zefan wrote:
> Li Zefan 写道:
>> Balbir Singh wrote:
>>> A new configuration file called soft_limit_in_bytes is added. The parsing
>>> and configuration rules remain the same as for the limit_in_bytes user
>>> interface.
>>>
>>> A global list of all memory cgroups over their soft limit is maintained.
>>> This list is then used to reclaim memory on global pressure. A cgroup is
>>> removed from the list when the cgroup is deleted.
>>>
>>> The global list is protected with a read-write spinlock.
>>>
>> You are not using read-write spinlock..
>>
> 
> Ah, the spinlock is changed to r/w spinlock in [PATCH 3/4].
> 

Yes, I'll fix that as well in v3. Thanks for spotting it.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL

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