On Wed, 23 Nov 2011 16:42:31 +0100 Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > From: Johannes Weiner <jweiner@xxxxxxxxxx> > > This bit is protected by lock_page_cgroup(), there is no need for > locked operations when setting and clearing it. > > Signed-off-by: Johannes Weiner <jweiner@xxxxxxxxxx> Hm. non-atomic ops for pc->flags seems dangerous. How about try to remove PCG_CACHE ? Maybe we can depends on PageAnon(page). We see 'page' on memcg->lru now. I'm sorry I forgot why we needed PCG_CACHE flag.. 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
