On Wed, 23 Nov 2011 16:42:30 +0100 Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > From: Johannes Weiner <jweiner@xxxxxxxxxx> > > This bit is protected by zone->lru_lock, there is no need for locked > operations when setting and clearing it. > > Signed-off-by: Johannes Weiner <jweiner@xxxxxxxxxx> This atomic ops are for avoiding race with other ops as lock_page_cgroup(). Or other Set/ClearPageCgroup.... Do I misunderstand atomic ops v.s. non-atomic ops race ? Thanks, -Kame -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html