linux-kernel - Re: [PATCH 0/7] memcg : more fixes and clean up for 2.6.28-rc

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Message-Id: <20110124092922.0fb50ada.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 24 Jan 2011 09:29:22 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"hannes@...xchg.org" <hannes@...xchg.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [PATCH 0/7] memcg : more fixes and clean up for 2.6.28-rc

On Fri, 21 Jan 2011 15:34:31 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:

> 
> This is a set of patches which I'm now testing, and it seems it passed
> small test. So I post this.
> 
> Some are bug fixes and other are clean ups but I think these are for 2.6.38.
> 
> Brief decription
> 
> [1/7] remove buggy comment and use better name for mem_cgroup_move_parent()
>       The fixes for mem_cgroup_move_parent() is already in mainline, this is
>       an add-on.
> 
> [2/7] a bug fix for a new function mem_cgroup_split_huge_fixup(),
>       which was recently merged.
> 
> [3/7] prepare for fixes in [4/7],[5/7]. This is an enhancement of function
>       which is used now.
> 
> [4/7] fix mem_cgroup_charge() for THP. By this, memory cgroup's charge function
>       will handle THP request in sane way.
> 
> [5/7] fix khugepaged scan condition for memcg.
>       This is a fix for hang of processes under small/buzy memory cgroup.
> 
> [6/7] rename vairable names to be page_size, nr_pages, bytes rather than
>       ambiguous names.
> 
> [7/7] some memcg function requires the caller to initialize variable
>       before call. It's ugly and fix it.
> 
> 
> I think patch 1,2,3,4,5 is urgent ones. But I think patch "5" needs some
> good review. But without "5", stress-test on small memory cgroup will not
> run succesfully.
> 

I'll rebase this set to onto http://marc.info/?l=linux-mm&m=129559263207634&w=2
and post v2.

Thanks,
-Kame

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