From patchwork Fri Jul 10 14:01:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Feng Tang X-Patchwork-Id: 11656731 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 11BC813B6 for ; Fri, 10 Jul 2020 14:02:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D16B82082E for ; Fri, 10 Jul 2020 14:02:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D16B82082E 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 96DB78D000A; Fri, 10 Jul 2020 10:02:28 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 8A68E8D0001; Fri, 10 Jul 2020 10:02:28 -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 71FF98D000A; Fri, 10 Jul 2020 10:02:28 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0018.hostedemail.com [216.40.44.18]) by kanga.kvack.org (Postfix) with ESMTP id 5E51D8D0001 for ; Fri, 10 Jul 2020 10:02:28 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 12CB675A6 for ; Fri, 10 Jul 2020 14:02:28 +0000 (UTC) X-FDA: 77022331176.03.pigs87_52084f626ece Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id 9FEB718A6B for ; Fri, 10 Jul 2020 14:02:14 +0000 (UTC) X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,feng.tang@intel.com,,RULES_HIT:30054:30064:30070,0,RBL:134.134.136.65:@intel.com:.lbl8.mailshell.net-64.95.201.95 62.18.0.100;04yr34y4n9eos9pnczrpr7awfwqz7ocxiyrpxwbstqsjcjy1actjqzenz8z9xod.ywxq3tsa5sdhhmh4gd8bxa6ckjo7k46roimt1g1nwo5wdfu7r36wfec9dctyau7.6-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:ft,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none X-HE-Tag: pigs87_52084f626ece X-Filterd-Recvd-Size: 2956 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by imf42.hostedemail.com (Postfix) with ESMTP for ; Fri, 10 Jul 2020 14:02:13 +0000 (UTC) IronPort-SDR: Mp4s4bI9oOKi/Co3WGuHp5Xl7xz9acKc8xDFJ9J/ujV9pU8W+LURuprqltj0AI3Q+ezzJ7gwNR B7dl/7soxY4A== X-IronPort-AV: E=McAfee;i="6000,8403,9677"; a="148188183" X-IronPort-AV: E=Sophos;i="5.75,336,1589266800"; d="scan'208";a="148188183" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2020 07:01:56 -0700 IronPort-SDR: 0VwO2uDj2UHdPet+Hx0PX3TKMqv4XKT0MJsOr1Os3pNa/Q03TlxuMUrlhZ04bSs4zUwVpkV4M/ m6gjiGzQklMg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,336,1589266800"; d="scan'208";a="458287091" Received: from shbuild999.sh.intel.com ([10.239.146.107]) by orsmga005.jf.intel.com with ESMTP; 10 Jul 2020 07:01:53 -0700 From: Feng Tang To: Andrew Morton , Michal Hocko , Johannes Weiner , Matthew Wilcox , Mel Gorman , Kees Cook , Qian Cai , Dennis Zhou , 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 v6 1/4] proc/meminfo: avoid open coded reading of vm_committed_as Date: Fri, 10 Jul 2020 22:01:45 +0800 Message-Id: <1594389708-60781-2-git-send-email-feng.tang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594389708-60781-1-git-send-email-feng.tang@intel.com> References: <1594389708-60781-1-git-send-email-feng.tang@intel.com> X-Rspamd-Queue-Id: 9FEB718A6B X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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 Cc: Matthew Wilcox (Oracle) Cc: Johannes Weiner Cc: Mel Gorman Cc: Qian Cai Cc: Kees Cook Cc: Andi Kleen Cc: Tim Chen Cc: Dave Hansen Cc: Huang Ying --- 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 2a4c58f..887a553 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -41,7 +41,7 @@ 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;