Hi Yasuaki, On Thu, Sep 20, 2012 at 04:21:13PM +0900, Yasuaki Ishimatsu wrote: > Hi Minchan, > > Sorry for late reply. > > 2012/09/20 15:43, Minchan Kim wrote: > > During memory-hotplug, I found NR_ISOLATED_[ANON|FILE] > > are increasing so that kernel are hang out. > > Why does your system hang out by increasing NR_ISOLATED_[ANON|FILE]? > I cannot understand what has happened by your system. If system doesn't have enough free page, it goes reclaim path and never reclaim any pages by too_many_isolated and loop forever. -- Kind regards, Minchan Kim -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>