* MinChan Kim <minchan.kim@xxxxxxxxx> [2011-01-28 16:24:19]: > > > > But the assumption for LRU order to change happens only if the page > > cannot be successfully freed, which means it is in some way active.. > > and needs to be moved no? > > 1. holded page by someone > 2. mapped pages > 3. active pages > > 1 is rare so it isn't the problem. > Of course, in case of 3, we have to activate it so no problem. > The problem is 2. > 2 is a problem, but due to the size aspects not a big one. Like you said even lumpy reclaim affects it. May be the reclaim code could honour may_unmap much earlier. -- Three Cheers, Balbir -- 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 policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>