> When I test Andrey's problem, I saw the livelock and sysrq-t says > there are many tasks in cond_resched after try_to_free_pages. > > If did_some_progress is false, cond_resched could delay oom killing so > It might be killing another task. > > This patch accelerates oom killing without unnecessary giving CPU > to another task. It could help avoding unnecessary another task killing > and livelock situation a litte bit. > > Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > Cc: Andrey Vagin <avagin@xxxxxxxxxx> > Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx 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>