linux-kernel - Re: [RFC][-mm][PATCH 0/6] oom-killer: total renewal

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Message-ID: <28c262360911020704r45d7f4fmd347d270622fe2c5@mail.gmail.com>
Date:	Tue, 3 Nov 2009 00:04:43 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>,
	aarcange@...hat.com, akpm@...ux-foundation.org,
	rientjes@...gle.com, vedran.furac@...il.com,
	"hugh.dickins@...cali.co.uk" <hugh.dickins@...cali.co.uk>
Subject: Re: [RFC][-mm][PATCH 0/6] oom-killer: total renewal

Hi, Kame.

I looked over the patch series.
It's rather big change of OOM.
I see you and David want to make OOM fresh from scratch.
But, It makes for testers to test harder.

I like your idea of fork-bomb detector.
Don't we use it without big change of as-is OOM heuristic?

Anyway,I need time to dive the code and test it.
Maybe weekend.

Thanks for great effort. :)

On Mon, Nov 2, 2009 at 4:22 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@...fujitsu.com> wrote:
> Hi, as discussed in "Memory overcommit" threads, I started rewrite.
>
> This is just for showing "I started" (not just chating or sleeping ;)
>
> All implemtations are not fixed yet. So feel free to do any comments.
> This set is for minimum change set, I think. Some more rich functions
> can be implemented based on this.
>
> All patches are against "mm-of-the-moment snapshot 2009-11-01-10-01"
>
> Patches are organized as
>
> (1) pass oom-killer more information, classification and fix mempolicy case.
> (2) counting swap usage
> (3) counting lowmem usage
> (4) fork bomb detector/killer
> (5) check expansion of total_vm
> (6) rewrite __badness().
>
> passed small tests on x86-64 boxes.
>
> Thanks,
> -Kame
>
>



-- 
Kind regards,
Minchan Kim
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