From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 31AC16B0007 for ; Sat, 2 Jun 2018 07:59:40 -0400 (EDT) Received: by mail-pf0-f199.google.com with SMTP id y21-v6so2323677pfm.4 for ; Sat, 02 Jun 2018 04:59:40 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id y67-v6sor14632147pff.127.2018.06.02.04.59.39 for (Google Transport Security); Sat, 02 Jun 2018 04:59:39 -0700 (PDT) From: ufo19890607@gmail.com Subject: [PATCH v7 1/2] Add an array of const char and enum oom_constraint in memcontrol.h Date: Sat, 2 Jun 2018 19:58:53 +0800 Message-Id: <1527940734-35161-3-git-send-email-ufo19890607@gmail.com> In-Reply-To: <1527940734-35161-1-git-send-email-ufo19890607@gmail.com> References: <1527940734-35161-1-git-send-email-ufo19890607@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org, mhocko@suse.com, rientjes@google.com, kirill.shutemov@linux.intel.com, aarcange@redhat.com, penguin-kernel@I-love.SAKURA.ne.jp, guro@fb.com, yang.s@alibaba-inc.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, yuzhoujian From: yuzhoujian This patch will make some preparation for the follow-up patch: Refactor part of the oom report in dump_header. It puts enum oom_constraint in memcontrol.h and adds an array of const char for each constraint. Signed-off-by: yuzhoujian --- include/linux/memcontrol.h | 14 ++++++++++++++ mm/oom_kill.c | 7 ------- 2 files changed, 14 insertions(+), 7 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index d99b71bc2c66..57311b6c4d67 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -62,6 +62,20 @@ struct mem_cgroup_reclaim_cookie { unsigned int generation; }; +enum oom_constraint { + CONSTRAINT_NONE, + CONSTRAINT_CPUSET, + CONSTRAINT_MEMORY_POLICY, + CONSTRAINT_MEMCG, +}; + +static const char * const oom_constraint_text[] = { + [CONSTRAINT_NONE] = "CONSTRAINT_NONE", + [CONSTRAINT_CPUSET] = "CONSTRAINT_CPUSET", + [CONSTRAINT_MEMORY_POLICY] = "CONSTRAINT_MEMORY_POLICY", + [CONSTRAINT_MEMCG] = "CONSTRAINT_MEMCG", +}; + #ifdef CONFIG_MEMCG #define MEM_CGROUP_ID_SHIFT 16 diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 8ba6cb88cf58..c806cd656af6 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -237,13 +237,6 @@ unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg, return points > 0 ? points : 1; } -enum oom_constraint { - CONSTRAINT_NONE, - CONSTRAINT_CPUSET, - CONSTRAINT_MEMORY_POLICY, - CONSTRAINT_MEMCG, -}; - /* * Determine the type of allocation constraint. */ -- 2.14.1