Re: [PATCH] dequeue a huge page near to this node

From: William Lee Irwin III
Date: Thu Nov 10 2005 - 20:00:32 EST


On Thu, Nov 10, 2005 at 03:27:12PM -0800, Christoph Lameter wrote:
> The following patch changes the dequeueing to select a huge page near
> the node executing instead of always beginning to check for free
> nodes from node 0. This will result in a placement of the huge pages near
> the executing processor improving performance.
> The existing implementation can place the huge pages far away from
> the executing processor causing significant degradation of performance.
> The search starting from zero also means that the lower zones quickly
> run out of memory. Selecting a huge page near the process distributed the
> huge pages better.
> Signed-off-by: Christoph Lameter <clameter@xxxxxxx>

Long intended to have been corrected. Thanks.

Acked-by: William Irwin <wli@xxxxxxxxxxxxxx>


-- wli
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