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 <[email protected]>
Acked-by: Vladimir Davydov <[email protected]>
