On Thu, 12 May 2011 22:25:10 -0700 Ying Han <yinghan@xxxxxxxxxx> wrote: > On Thu, May 12, 2011 at 8:10 PM, KAMEZAWA Hiroyuki < > kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > > mm/vmscan.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > Index: mmotm-May11/mm/vmscan.c > > =================================================================== > > --- mmotm-May11.orig/mm/vmscan.c > > +++ mmotm-May11/mm/vmscan.c > > @@ -941,7 +941,8 @@ keep_lumpy: > > * back off and wait for congestion to clear because further reclaim > > * will encounter the same problem > > */ > > - if (nr_dirty == nr_congested && nr_dirty != 0) > > + if (scanning_global_lru(sc) && > > + nr_dirty == nr_congested && nr_dirty != 0) > > zone_set_flag(zone, ZONE_CONGESTED); > > > > free_page_list(&free_pages); > > > > For memcg, wonder if we should make it per-memcg-per-zone congested. > I guess dirty ratio should come 1st. If we don't have it, I think nr_dirty==nr_congested very easily. Thanks, -Kame -- 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>