Re: [PATCH 0/3] Fix boot_pageset sharing issue for new populatedzones of hotadded nodes

From: Andi Kleen
Date: Mon May 17 2010 - 06:34:42 EST

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.

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