linux-kernel - Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance

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Message-ID: <alpine.LFD.2.00.1003231957420.18017@i5.linux-foundation.org>
Date:	Tue, 23 Mar 2010 20:00:54 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andi Kleen <andi@...stfloor.org>
cc:	Ingo Molnar <mingo@...e.hu>,
	Anton Starikov <ant.starikov@...il.com>,
	Greg KH <greg@...ah.com>, stable@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression
 in performance



On Wed, 24 Mar 2010, Andi Kleen wrote:
> 
> It would be also nice to get that change into 2.6.32 stable. That is
> widely used on larger systems.

Looking at the changes to the files in question, it looks like it should 
all apply cleanly to 2.6.32, so I don't see any reason not to backport 
further back.

Somebody should double-check, though.

		Linus
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