From patchwork Tue Aug 20 09:48:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Shi X-Patchwork-Id: 11103495 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 E5FF814DE for ; Tue, 20 Aug 2019 09:49:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B9CF722DA8 for ; Tue, 20 Aug 2019 09:49:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B9CF722DA8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9E3756B026E; Tue, 20 Aug 2019 05:49:45 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 945946B0271; Tue, 20 Aug 2019 05:49:45 -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 7218A6B026F; Tue, 20 Aug 2019 05:49:45 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0191.hostedemail.com [216.40.44.191]) by kanga.kvack.org (Postfix) with ESMTP id 397426B026C for ; Tue, 20 Aug 2019 05:49:45 -0400 (EDT) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id DB0598248AB7 for ; Tue, 20 Aug 2019 09:49:44 +0000 (UTC) X-FDA: 75842334288.17.hose08_54fe073c9203e X-Spam-Summary: 2,0,0,b13a5baea6458245,d41d8cd98f00b204,alex.shi@linux.alibaba.com,:cgroups@vger.kernel.org:linux-kernel@vger.kernel.org::akpm@linux-foundation.org:mgorman@techsingularity.net:tj@kernel.org:alex.shi@linux.alibaba.com:mhocko@suse.com:ktkhai@virtuozzo.com:hannes@cmpxchg.org:daniel.m.jordan@oracle.com:laoar.shao@gmail.com:yang.shi@linux.alibaba.com,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1261:1345:1359:1431:1437:1534:1541:1711:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3352:3865:3871:4321:5007:6261:7514:10004:11026:11473:11658:11914:12043:12048:12296:12297:12555:12895:12986:13069:13161:13229:13311:13357:13846:14181:14384:14394:14721:21060:21080:21451:21627:30054:30064,0,RBL:115.124.30.130:@linux.alibaba.com:.lbl8.mailshell.net-62.20.2.100 64.201.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none X-HE-Tag: hose08_54fe073c9203e X-Filterd-Recvd-Size: 3082 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Tue, 20 Aug 2019 09:49:43 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R751e4;CH=green;DM=||false|;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01422;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0TZznPmz_1566294577; Received: from localhost(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0TZznPmz_1566294577) by smtp.aliyun-inc.com(127.0.0.1); Tue, 20 Aug 2019 17:49:38 +0800 From: Alex Shi To: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Mel Gorman , Tejun Heo Cc: Alex Shi , Michal Hocko , Kirill Tkhai , Johannes Weiner , Daniel Jordan , Yafang Shao , Yang Shi Subject: [PATCH 13/14] lru/vmscan: using per lruvec lru_lock in get_scan_count Date: Tue, 20 Aug 2019 17:48:36 +0800 Message-Id: <1566294517-86418-14-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1566294517-86418-1-git-send-email-alex.shi@linux.alibaba.com> References: <1566294517-86418-1-git-send-email-alex.shi@linux.alibaba.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: The lruvec is passed as parameter, so no lruvec->pgdat syncing needed. Signed-off-by: Alex Shi Cc: Andrew Morton Cc: Michal Hocko Cc: Kirill Tkhai Cc: Johannes Weiner Cc: Daniel Jordan Cc: Yafang Shao Cc: Yang Shi Cc: Mel Gorman Cc: cgroups@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/vmscan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 123447b9beda..ea5c2f3f2567 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2372,7 +2372,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg, file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE, MAX_NR_ZONES) + lruvec_lru_size(lruvec, LRU_INACTIVE_FILE, MAX_NR_ZONES); - spin_lock_irq(&pgdat->lruvec.lru_lock); + spin_lock_irq(&lruvec->lru_lock); if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) { reclaim_stat->recent_scanned[0] /= 2; reclaim_stat->recent_rotated[0] /= 2; @@ -2393,7 +2393,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg, fp = file_prio * (reclaim_stat->recent_scanned[1] + 1); fp /= reclaim_stat->recent_rotated[1] + 1; - spin_unlock_irq(&pgdat->lruvec.lru_lock); + spin_unlock_irq(&lruvec->lru_lock); fraction[0] = ap; fraction[1] = fp;