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From: Andi Kleen on 17 May 2010 06:40
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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