Re: cache_reap(): Further reduction in interrupt holdoff

From: Christoph Lameter
Date: Mon Mar 06 2006 - 11:23:00 EST


On Mon, 6 Mar 2006, Pekka Enberg wrote:

> Touched processing worries me little because it's used when there's
> high allocation pressure. Do you have any numbers where this patch
> helps?

We had frequent holdoffs >30usec in cache_reap() without this patch. Now
it happens once in awhile.

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