linux-kernel - Re: 3.7-rc6 soft lockup in kswapd0

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Message-ID: <20121126130504.29434.qmail@science.horizon.com>
Date:	26 Nov 2012 08:05:04 -0500
From:	"George Spelvin" <linux@...izon.com>
To:	linux@...izon.com, mgorman@...e.de
Cc:	dave@...ux.vnet.ibm.com, hannes@...xchg.org, jack@...e.cz,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, riel@...hat.com
Subject: Re: 3.7-rc6 soft lockup in kswapd0

Mel Gorman <mgorman@...e.de> wrote:
> Ok, can you try this patch from Rik on top as well please? This is in
> addition to Dave Hansen's accounting fix.
> 
> ---8<---
> From: Rik van Riel <riel@...hat.com>
> Subject: mm,vmscan: only loop back if compaction would fail in all zones

Booted and running.  Judging from the patch, the expected result is
"stops hanging", as opposed to more informative diagnostics, so I'll
keep you posted.

Peraonally, I like to use "bool" for such flags where possible;
it helps document the intent of the variable better.
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