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

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Message-ID: <alpine.DEB.2.00.0905110141100.24726@chino.kir.corp.google.com>
Date:	Mon, 11 May 2009 01:43:10 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Nick Piggin <npiggin@...e.de>, Mel Gorman <mel@....ul.ie>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	San Mehat <san@...roid.com>, Arve Hjonnevag <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, 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.
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