From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751502AbaKBDOd (ORCPT ); Sat, 1 Nov 2014 23:14:33 -0400 Received: from gum.cmpxchg.org ([85.214.110.215]:58041 "EHLO gum.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864AbaKBDOa (ORCPT ); Sat, 1 Nov 2014 23:14:30 -0400 From: Johannes Weiner To: Andrew Morton Cc: Michal Hocko , Vladimir Davydov , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [patch] mm: memcontrol: remove stale page_cgroup_lock comment Date: Sat, 1 Nov 2014 23:14:20 -0400 Message-Id: <1414898060-4658-1-git-send-email-hannes@cmpxchg.org> X-Mailer: git-send-email 2.1.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no cgroup-specific page lock anymore. Signed-off-by: Johannes Weiner --- mm/memcontrol.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 38f0647a2f12..d20928597a07 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2467,10 +2467,6 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg, int isolated; VM_BUG_ON_PAGE(pc->mem_cgroup, page); - /* - * we don't need page_cgroup_lock about tail pages, becase they are not - * accessed by any other context at this point. - */ /* * In some cases, SwapCache and FUSE(splice_buf->radixtree), the page -- 2.1.3