Date: Wed, 13 Apr 2011 19:21:27 +0200
From: Andrea Arcangeli <aarcange@redhat.com>
To: raz ben yehuda <raziebe@gmail.com>
Cc: lkml <linux-kernel@vger.kernel.org>, riel@redhat.com,
        kosaki.motohiro@jp.fujitsu.com, akpm@linux-foundation.org,
        Mel Gorman <mel@csn.ul.ie>
Subject: Re: 2.6.38 sbrk regression
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 <1302703579.17536.1.camel@raz.scalemp.com>
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On Wed, Apr 13, 2011 at 05:06:19PM +0300, raz ben yehuda wrote:
> ok, managed to build 38-rc3 ( keep forgetting make mrproper ).
> problem is still there:

Oops I thought it was typo on your prev email so I didn't answer
assuming you would test 39-rc like I suggested in my prev email, I
really meant 2.6.39-rc3.

The fix I refer to is d527caf22e48480b102c7c6ee5b9ba12170148f7 and
it's included in >= 2.6.39-rc1. 38-rc3 has THP but not this
changeset. We tried to push it for 38 final but it was a bit late so
it got merged immediately in 39-rc1 to stay on the safe side (it's
only a performance issue and the other longstanding irq/sched latency
issues in compaction that got fixed in 39-rc1 where actually more
relevant than the compaction-kswapd removal).
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