linux-kernel - Re: [patch 06/11 -mmotm] oom: move oom_adj value from task_struct to mm

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Date:	Mon, 11 May 2009 14:19:31 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	David Rientjes <rientjes@...gle.com>
Cc:	kosaki.motohiro@...fujitsu.com, gregkh@...e.de, npiggin@...e.de,
	mel@....ul.ie, a.p.zijlstra@...llo.nl, cl@...ux-foundation.org,
	dave@...ux.vnet.ibm.com, san@...roid.com, arve@...roid.com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 06/11 -mmotm] oom: move oom_adj value from task_struct
 to mm_struct

On Mon, 11 May 2009 01:43:10 -0700 (PDT)
David Rientjes <rientjes@...gle.com> wrote:

> On Mon, 11 May 2009, KOSAKI Motohiro wrote:
> 
> > From technical view, your explanation seems good although I haven't
> > review your patch.
> > but this patch break staging driver rule. I don't like it.
> > 
> > IOW, if greg pull this patch into his staging tree, it might make
> > patch conflict against -mm tree in nearly future.
> > 
> 
> If I am going to break code that is in mainline (like the Android low 
> memory killer is) by moving a member of a data structure, then I'd like to 
> provide a fix for it so that it works after my change.  I'll leave the 
> merging to Andrew and Greg and if they'd prefer I do this patch in two 
> parts, that's fine by me as long as they merge them at the same time.  I 
> thought since this code is mainline that it would be easier to go through 
> in one series.

Yep, this all has to be done as a single commit to avoid creating
points in the commit sequence where the kernel doesn't build.

As I'm cherrypicking my way around the android driver changes I
reworked this patch to apply on plain old mainline.

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