From patchwork Fri May 8 07:25:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Feng Tang X-Patchwork-Id: 11535807 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9FE4492A for ; Fri, 8 May 2020 07:25:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 83CF720736 for ; Fri, 8 May 2020 07:25:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 83CF720736 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 28CDB900004; Fri, 8 May 2020 03:25:28 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 23ED2900002; Fri, 8 May 2020 03:25:28 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 17B00900004; Fri, 8 May 2020 03:25:28 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0002.hostedemail.com [216.40.44.2]) by kanga.kvack.org (Postfix) with ESMTP id 015E9900002 for ; Fri, 8 May 2020 03:25:27 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id B1DA81F08 for ; Fri, 8 May 2020 07:25:27 +0000 (UTC) X-FDA: 76792716294.18.paper84_69bac43537d0e X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,feng.tang@intel.com,,RULES_HIT:30054:30064:30070,0,RBL:192.55.52.115:@intel.com:.lbl8.mailshell.net-62.18.0.100 64.95.201.95,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:ft,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none X-HE-Tag: paper84_69bac43537d0e X-Filterd-Recvd-Size: 2437 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by imf28.hostedemail.com (Postfix) with ESMTP for ; Fri, 8 May 2020 07:25:26 +0000 (UTC) IronPort-SDR: A9FymHDiGbdUPs3oiEaS09UU95Totrb8xOZkLBiqlIJRLxuH9NtULBv1bFKCPqmBDpnQjiLEe8 kQDsdHNPHNZg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2020 00:25:26 -0700 IronPort-SDR: BaPIIrbWpE7bV+c1ngNAq+lL2CKpewOcYZUiU9wU+ozDW06TmCvkmthWhmF308Lk3l4El1JixD 4YhgLc6czNIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,366,1583222400"; d="scan'208";a="264210532" Received: from shbuild999.sh.intel.com ([10.239.147.136]) by orsmga006.jf.intel.com with ESMTP; 08 May 2020 00:25:22 -0700 From: Feng Tang To: Andrew Morton , Michal Hocko , Johannes Weiner , Matthew Wilcox , Mel Gorman , Kees Cook , Luis Chamberlain , Iurii Zaikin , andi.kleen@intel.com, tim.c.chen@intel.com, dave.hansen@intel.com, ying.huang@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Feng Tang Subject: [PATCH 1/3] proc/meminfo: avoid open coded reading of vm_committed_as Date: Fri, 8 May 2020 15:25:15 +0800 Message-Id: <1588922717-63697-2-git-send-email-feng.tang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1588922717-63697-1-git-send-email-feng.tang@intel.com> References: <1588922717-63697-1-git-send-email-feng.tang@intel.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use the existing vm_memory_committed() instead, which is also convenient for future change. Signed-off-by: Feng Tang Acked-by: Michal Hocko --- fs/proc/meminfo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 8c1f1bb..578c0b8 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -42,7 +42,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) si_meminfo(&i); si_swapinfo(&i); - committed = percpu_counter_read_positive(&vm_committed_as); + committed = vm_memory_committed(); cached = global_node_page_state(NR_FILE_PAGES) - total_swapcache_pages() - i.bufferram;