linux-kernel - Re: [patch -mm v2] mm: introduce oom_adj

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Message-Id: <20090803212059.CC2C.A69D9226@jp.fujitsu.com>
Date:	Mon,  3 Aug 2009 21:21:44 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Paul Menage <menage@...gle.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [patch -mm v2] mm: introduce oom_adj_child

> On Sat, 1 Aug 2009, KAMEZAWA Hiroyuki wrote:
> 
> > Summarizing I think now .....
> >   - rename mm->oom_adj as mm->effective_oom_adj
> >   - re-add per-thread oom_adj
> >   - update mm->effective_oom_adj based on per-thread oom_adj
> >   - if necessary, plz add read-only /proc/pid/effective_oom_adj file.
> >     or show 2 values in /proc/pid/oom_adj
> >   - rewrite documentation about oom_score.
> >    " it's calclulated from  _process's_ memory usage and oom_adj of
> >     all threads which shares a memor  context".
> >    This behavior is not changed from old implemtation, anyway.
> >  - If necessary, rewrite oom_kill itself to scan only thread group
> >    leader. It's a way to go regardless of  vfork problem.
> > 
> 
> Ok, so you've abandoned the signal_struct proposal and now want to add it 
> back to task_struct with an effective member in mm_struct by changing the 
> documentation.  Hmm.

Oops, please see From line. The page was made from me ;)


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