On Mon, 22 Oct 2012, Mel Gorman wrote: > The compact_pages_moved and compact_pagemigrate_failed events are > convenient for determining if compaction is active and to what > degree migration is succeeding but it's at the wrong level. Other > users of migration may also want to know if migration is working > properly and this will be particularly true for any automated > NUMA migration. This patch moves the counters down to migration > with the new events called pgmigrate_success and pgmigrate_fail. > The compact_blocks_moved counter is removed because while it was > useful for debugging initially, it's worthless now as no meaningful > conclusions can be drawn from its value. >
Agreed, "compact_blocks_moved" should have been named "compact_blocks_scanned" to accurately describe what it was representing. > Signed-off-by: Mel Gorman <mgor...@suse.de> Acked-by: David Rientjes <rient...@google.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
