Re: [PATCH] powerpc: Set a smaller value for RECLAIM_DISTANCE to enable zone reclaim
From: Christoph Lameter <hidden>
Date: 2010-03-01 15:19:42
From: Christoph Lameter <hidden>
Date: 2010-03-01 15:19:42
On Mon, 1 Mar 2010, Mel Gorman wrote:
Christoph, how feasible would it be to allow parallel reclaimers in __zone_reclaim() that back off at a rate depending on the number of reclaimers?
Not too hard. Zone locking is there but there may be a lot of bouncing cachelines if you run it concurrently.