A few days ago, Ying reported a problem. http://marc.info/?l=linux-mm&m=130403310601663&w=2 After I and Ying dive in problem, We found deactive_page has a problem. Apparently, It's a BUG so [1/2] is fix of the problem and [2/2] is enhancement for helping CPU. Minchan Kim (2): [1/2] Check PageUnevictable in lru_deactivate_fn [2/2] Filter unevictable page out in deactivate_page mm/swap.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) -- 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>