Hello Rik On Sat, Sep 14, 2013 at 11:55 PM, Rik van Riel <riel@xxxxxxxxxx> wrote: > On 09/14/2013 07:53 AM, Hillf Danton wrote: >> After page A on source node is migrated to page B on target node, hinting >> fault is recorded on the target node for B. On the source node there is >> another record for A, since a two-stage filter is used when migrating pages. >> >> Page A is no longer used after migration, so we have to erase its record. > > What kind of performance changes have you observed with this patch? > > What benchmarks have you run, and on what kind of systems? > Due to no NUMA box, I can not answer you now. I will try best to borrow one next Monday. Thanks Hillf -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>