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

[Adam Litke]

On Thu, 2005-11-10 at 15:27 -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>

I'll add my voice to the chorus of aye's.

-- 
Adam Litke - (agl at us.ibm.com)
IBM Linux Technology Center

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