On Mon, Jul 31, 2017 at 03:28:46PM -0400, Rik van Riel wrote: > From: Rik van Riel <r...@redhat.com> > > The comment above update_task_scan_period says the scan period should > be increased (scanning slows down) if the majority of memory accesses > are on the local node, or if the majority of the page accesses are > shared with other tasks. > > However, with the current code, all a high ratio of shared accesses > does is slow down the rate at which scanning is made faster. > > This patch changes things so either lots of shared accesses or > lots of local accesses will slow down scanning, and numa scanning > is sped up only when there are lots of private faults on remote > memory pages. > > Signed-off-by: Rik van Riel <r...@redhat.com>
Acked-by: Mel Gorman <mgor...@suse.de> -- Mel Gorman SUSE Labs