From: Andi Kleen <andi@firstfloor.org>
To: Haicheng Li <haicheng.li@linux.intel.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Wu, Fengguang" <fengguang.wu@intel.com>,
Andi Kleen <andi@firstfloor.org>, Mel Gorman <mel@csn.ul.ie>,
Christoph Lameter <cl@linux-foundation.org>,
Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 0/3] Fix boot_pageset sharing issue for new populated zones of hotadded nodes
Date: Mon, 17 May 2010 12:34:34 +0200 [thread overview]
Message-ID: <20100517103434.GC20761@basil.fritz.box> (raw)
In-Reply-To: <4BF0FBB0.1080707@linux.intel.com>
On Mon, May 17, 2010 at 04:17:52PM +0800, Haicheng Li wrote:
> In our recent cpu/memory hotadd testing, with multiple nodes hotadded,
> kernel easily panics under stress workload like kernel building.
>
> The root cause is that the new populated zones of hotadded nodes are
> sharing same per_cpu_pageset, i.e. boot strapping boot_pageset, which
> finally causes page state wrong.
>
> The following three patches will setup the pagesets for hotadded nodes
> with dynamically allocated per_cpu_pageset struct.
Patches look good, thanks.
-Andi
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prev parent reply other threads:[~2010-05-17 10:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-17 8:17 Haicheng Li
2010-05-17 10:34 ` Andi Kleen [this message]
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