From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756152AbbALSyc (ORCPT ); Mon, 12 Jan 2015 13:54:32 -0500 Received: from mail-ie0-f169.google.com ([209.85.223.169]:60900 "EHLO mail-ie0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751691AbbALSy2 (ORCPT ); Mon, 12 Jan 2015 13:54:28 -0500 From: Greg Thelen To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Greg Thelen Subject: [PATCH] memcg: add BUILD_BUG_ON() for string tables Date: Mon, 12 Jan 2015 10:54:23 -0800 Message-Id: <1421088863-14270-1-git-send-email-gthelen@google.com> X-Mailer: git-send-email 2.2.0.rc0.207.ga3a616c Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use BUILD_BUG_ON() to compile assert that memcg string tables are in sync with corresponding enums. There aren't currently any issues with these tables. This is just defensive. Signed-off-by: Greg Thelen --- mm/memcontrol.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ef91e856c7e4..8d1ca6c55480 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3699,6 +3699,10 @@ static int memcg_stat_show(struct seq_file *m, void *v) struct mem_cgroup *mi; unsigned int i; + BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_stat_names) != + MEM_CGROUP_STAT_NSTATS); + BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_events_names) != + MEM_CGROUP_EVENTS_NSTATS); BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS); for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) { -- 2.2.0.rc0.207.ga3a616c