linux-kernel - Re: [PATCH 00/09] memcg: split-lru feature for memcg

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Message-Id: <20081201110000.bcdfccff.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 1 Dec 2008 11:00:00 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 00/09] memcg: split-lru feature for memcg

On Sun, 30 Nov 2008 19:54:08 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> Recently, SplitLRU patch series dramatically improvement VM reclaim
> logic.
> 
> it have following improvement.
>  (1) splite lru per page type
>  (2) introduce inactive/active anon balancing logic
>  (3) introduce anon/file balancing logic
> 
> Unfortunately, the improvement of memcgroup reclaim is incomplete.
> Currently, it only has (1), but doesn't have (2) and (3).
> 
> 
> This patch introduce (2) and (3) improvements to memcgroup.
> this implementation is straightforward porting from global reclaim.
> 
> Therefere
>   - code is simple.
>   - memcg reclaim become efficiency as global reclaim.
>   - the logic is the same as global lru.
>     then, memcg reclaim debugging become easily.
> 
> 
> this patch series has three part
> 
> [part 1: inactive-anon vs active-anon balancing improvement]
>   [01/09] inactive_anon_is_low() move to vmscan.c
>   [02/09] memcg: make inactive_anon_is_low()
> 
> [part 2: anon vs file balancing improvement]
>   [03/09] introduce zone_reclaim struct
>   [04/09] memcg: make zone_reclaim_stat
>   [05/09] make zone_nr_pages() helper function
>   [06/09] make get_scan_ratio() to memcg awareness
>   [07/09] memcg: remove mem_cgroup_calc_reclaim()
> 
> [part 3: add split-lru related statics field to /cgroup/memory.stat]
>   [08/09] memcg: show inactive_ratio
>   [09/09] memcg: show reclaim stat
> 
> patch against: mmotm 29 Nov 2008
> 

Hi, kosaki. thank you for your work.

My request is
 . split global-lru part and memcg part explicitly.
 
There are Nishimura's patch and my patch under development.
I may have to prepare weekly-update queue again.

Thanks,
-Kame

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