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Message-ID: <alpine.DEB.2.11.1503171356470.13902@gentwo.org>
Date: Tue, 17 Mar 2015 13:57:11 -0500 (CDT)
From: Christoph Lameter <cl@...ux.com>
To: Mark Rutland <mark.rutland@....com>
cc: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Catalin Marinas <catalin.marinas@....com>,
David Rientjes <rientjes@...gle.com>,
Jesper Dangaard Brouer <brouer@...hat.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Pekka Enberg <penberg@...nel.org>,
Steve Capper <steve.capper@...aro.org>
Subject: Re: [PATCHv2] mm/slub: fix lockups on PREEMPT && !SMP kernels
On Tue, 17 Mar 2015, Mark Rutland wrote:
> Commit 9aabf810a67cd97e ("mm/slub: optimize alloc/free fastpath by
> removing preemption on/off") introduced an occasional hang for kernels
> built with CONFIG_PREEMPT && !CONFIG_SMP.
Acked-by: Christoph Lameter <cl@...ux.com>
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