On Sat, Nov 19, 2011 at 08:54:18PM +0100, Andrea Arcangeli wrote: > This reverts commit > 39deaf8585152f1a35c1676d3d7dc6ae0fb65967. > > PageDirty is non blocking for compaction (unlike for > mm/vmscan.c:may_writepage) so async compaction should include it. > It blocks if fallback_migrate_page() is used which happens if the underlying filesystem does not support ->migratepage. -- Mel Gorman SUSE Labs -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>