On Fri, Jan 29, 2016 at 06:19:33PM -0500, Johannes Weiner wrote: > There are several users that nest lock_page_memcg() inside lock_page() > to prevent page->mem_cgroup from changing. But the page lock prevents > pages from moving between cgroups, so that is unnecessary overhead. > > Remove lock_page_memcg() in contexts with locked contexts and fix the > debug code in the page stat functions to be okay with the page lock. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Acked-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> -- 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