From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757290Ab2DXTeL (ORCPT ); Tue, 24 Apr 2012 15:34:11 -0400 Received: from zene.cmpxchg.org ([85.214.230.12]:35219 "EHLO zene.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757145Ab2DXTeK (ORCPT ); Tue, 24 Apr 2012 15:34:10 -0400 From: Johannes Weiner To: Andrew Morton Cc: Michal Hocko , KOSAKI Motohiro , Ying Han , KAMEZAWA Hiroyuki , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [patch] Documentation: memcg: future proof hierarchical statistics documentation Date: Tue, 24 Apr 2012 21:33:58 +0200 Message-Id: <1335296038-29297-1-git-send-email-hannes@cmpxchg.org> X-Mailer: git-send-email 1.7.7.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The hierarchical versions of per-memcg counters in memory.stat are all calculated the same way and are all named total_. Documenting the pattern is easier for maintenance than listing each counter twice. Signed-off-by: Johannes Weiner Acked-by: Michal Hocko Acked-by: KOSAKI Motohiro Acked-by: Ying Han --- Documentation/cgroups/memory.txt | 15 ++++----------- 1 files changed, 4 insertions(+), 11 deletions(-) diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt index ab34ae5..6a066a2 100644 --- a/Documentation/cgroups/memory.txt +++ b/Documentation/cgroups/memory.txt @@ -432,17 +432,10 @@ hierarchical_memory_limit - # of bytes of memory limit with regard to hierarchy hierarchical_memsw_limit - # of bytes of memory+swap limit with regard to hierarchy under which memory cgroup is. -total_cache - sum of all children's "cache" -total_rss - sum of all children's "rss" -total_mapped_file - sum of all children's "cache" -total_pgpgin - sum of all children's "pgpgin" -total_pgpgout - sum of all children's "pgpgout" -total_swap - sum of all children's "swap" -total_inactive_anon - sum of all children's "inactive_anon" -total_active_anon - sum of all children's "active_anon" -total_inactive_file - sum of all children's "inactive_file" -total_active_file - sum of all children's "active_file" -total_unevictable - sum of all children's "unevictable" +total_ - # hierarchical version of , which in + addition to the cgroup's own value includes the + sum of all hierarchical children's values of + , i.e. total_cache # The following additional stats are dependent on CONFIG_DEBUG_VM. -- 1.7.7.6