linux-kernel - Re: Major performance regressions in 3.7rc1/2

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Message-ID: <alpine.DEB.2.00.1210231541350.1221@chino.kir.corp.google.com>
Date:	Tue, 23 Oct 2012 15:42:17 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Anca Emanuel <anca.emanuel@...il.com>
cc:	Julian Wollrath <jwollrath@....de>,
	Hugh Dickins <hughd@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Patrik Kullman <patrik.kullman@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: Major performance regressions in 3.7rc1/2

On Tue, 23 Oct 2012, Anca Emanuel wrote:

> I have the same problem.
> Reverting
> https://github.com/torvalds/linux/commit/957f822a0ab95e88b146638bad6209bbc315bedd
> solves the problem for me.
> 

If you don't revert anything and do

	echo 0 > /proc/sys/vm/zone_reclaim_mode

after boot, does this also fix the issue?
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