On Wed, Sep 19, 2012 at 3:29 AM, Minchan Kim <minc...@kernel.org> wrote: > During memory-hotplug stress test, I found NR_ISOLATED_[ANON|FILE] > are increasing so that kernel are hang out. > > The cause is that when we do memory-hotadd after memory-remove, > __zone_pcp_update clear out zone's ZONE_STAT_ITEMS in setup_pageset > without draining vm_stat_diff of all CPU. > > This patch fixes it.
zone_pcp_update() is called from online pages path. but IMHO, the statistics should be drained offline path. isn't it? thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
