Re: [v7 7/8] mm: only IPI CPUs to drain local pages if they exist

From: Christoph Lameter
Date: Thu Jan 26 2012 - 10:13:48 EST


On Thu, 26 Jan 2012, Gilad Ben-Yossef wrote:

> Calculate a cpumask of CPUs with per-cpu pages in any zone
> and only send an IPI requesting CPUs to drain these pages
> to the buddy allocator if they actually have pages when
> asked to flush.

Acked-by: Christoph Lameter <cl@xxxxxxxxx>

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