Re: [PATCH] mm: compaction: Abort compaction if too many pages areisolated and caller is asynchronous

From: Minchan Kim
Date: Thu Jun 02 2011 - 19:02:41 EST

On Fri, Jun 3, 2011 at 3:23 AM, Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote:
> On Tue, May 31, 2011 at 11:38:30PM +0900, Minchan Kim wrote:
>> > Yes. You find a new BUG.
>> > It seems to be related to this problem but it should be solved although
>> Âtypo : It doesn't seem to be.
> This should fix it, but I doubt it matters for this problem.
> ===
> Subject: mm: no page_count without a page pin
> From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
> It's unsafe to run page_count during the physical pfn scan.
> Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Reviewed-by: Minchan Kim <>

Nitpick :
I want to remain " /* the page is freed already. */" comment.

Kind regards,
Minchan Kim
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