linux-kernel - Re: slub: use irqsafe_cpu_cmpxchg for put_cpu

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Message-ID: <CAOJsxLHhxLGKwuBO=e2+c5bu4i32Hr8ztWifVtxhwYS9BR0cxQ@mail.gmail.com>
Date:	Thu, 24 Nov 2011 08:45:33 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	Christoph Lameter <cl@...ux.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	"Alex,Shi" <alex.shi@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Matt Mackall <mpm@...enic.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>, David Rientjes <rientjes@...gle.com>
Subject: Re: slub: use irqsafe_cpu_cmpxchg for put_cpu_partial

> On Wed, 23 Nov 2011 at 09:14, Christoph Lameter wrote:
>> I think he only tested the patch that he showed us.

On Wed, Nov 23, 2011 at 8:33 PM, Christian Kujau <lists@...dbynature.de> wrote:
> Yes, that's the (only) one I tested so far. I did some overnight testing
> (rsync'ing to the external disk again) for 6hrs and ran "slabinfo" every
> 30s during the run: http://nerdbynature.de/bits/3.2.0-rc1/oops/slabinfo-1.txt.xz
>
> The machine is still up & running. So for me, your patch fixes it!
>
>  Tested-by: Christian Kujau <lists@...dbynature.de>

Applied, thanks!
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