From patchwork Sat Jul 11 00:58:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Shi X-Patchwork-Id: 11657617 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 0023613B4 for ; Sat, 11 Jul 2020 00:59:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CB6282076A for ; Sat, 11 Jul 2020 00:59:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB6282076A 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 432128D0012; Fri, 10 Jul 2020 20:59:15 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 36F6D8D000E; Fri, 10 Jul 2020 20:59:15 -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 F021C8D0010; Fri, 10 Jul 2020 20:59:14 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0243.hostedemail.com [216.40.44.243]) by kanga.kvack.org (Postfix) with ESMTP id D3A328D000F for ; Fri, 10 Jul 2020 20:59:14 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9EDB2824805A for ; Sat, 11 Jul 2020 00:59:14 +0000 (UTC) X-FDA: 77023986228.15.grain99_5e06b0d26ed2 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id 71ECA1814B0C8 for ; Sat, 11 Jul 2020 00:59:14 +0000 (UTC) X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,alex.shi@linux.alibaba.com,,RULES_HIT,0,RBL:47.88.44.36:@linux.alibaba.com:.lbl8.mailshell.net-64.10.201.10 62.18.0.100;04y8yccwcfaqef9gog8x71ty9kdwuophtemnpoozfr4w1hdmurxmbhum9d9hbsd.ipqgism6gf93ttfwwokmcfumkdjhp8rf94dy378kh448ebpcy3iim9katuokbxw.q-lbl8.mailshell.net-223.238.255.100;47.88.44.36-irl.urbl.hostedemail.com-127.0.0.175,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:24,LUA_SUMMARY:none X-HE-Tag: grain99_5e06b0d26ed2 X-Filterd-Recvd-Size: 2719 Received: from out4436.biz.mail.alibaba.com (out4436.biz.mail.alibaba.com [47.88.44.36]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Sat, 11 Jul 2020 00:59:13 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R681e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01358;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=17;SR=0;TI=SMTPD_---0U2KGAZr_1594429139; Received: from alexshi-test.localdomain(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U2KGAZr_1594429139) by smtp.aliyun-inc.com(127.0.0.1); Sat, 11 Jul 2020 08:59:08 +0800 From: Alex Shi To: akpm@linux-foundation.org, mgorman@techsingularity.net, tj@kernel.org, hughd@google.com, khlebnikov@yandex-team.ru, daniel.m.jordan@oracle.com, yang.shi@linux.alibaba.com, willy@infradead.org, hannes@cmpxchg.org, lkp@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, shakeelb@google.com, iamjoonsoo.kim@lge.com, richard.weiyang@gmail.com, kirill@shutemov.name Subject: [PATCH v16 21/22] mm/pgdat: remove pgdat lru_lock Date: Sat, 11 Jul 2020 08:58:55 +0800 Message-Id: <1594429136-20002-22-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594429136-20002-1-git-send-email-alex.shi@linux.alibaba.com> References: <1594429136-20002-1-git-send-email-alex.shi@linux.alibaba.com> X-Rspamd-Queue-Id: 71ECA1814B0C8 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: Now pgdat.lru_lock was replaced by lruvec lock. It's not used anymore. Signed-off-by: Alex Shi Cc: Andrew Morton Cc: Konstantin Khlebnikov Cc: Hugh Dickins Cc: Johannes Weiner Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Cc: cgroups@vger.kernel.org --- include/linux/mmzone.h | 1 - mm/page_alloc.c | 1 - 2 files changed, 2 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 36c1680efd90..8d7318ce5f62 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -735,7 +735,6 @@ struct deferred_split { /* Write-intensive fields used by page reclaim */ ZONE_PADDING(_pad1_) - spinlock_t lru_lock; #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT /* diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e028b87ce294..4d7df42b32d6 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6721,7 +6721,6 @@ static void __meminit pgdat_init_internals(struct pglist_data *pgdat) init_waitqueue_head(&pgdat->pfmemalloc_wait); pgdat_page_ext_init(pgdat); - spin_lock_init(&pgdat->lru_lock); lruvec_init(&pgdat->__lruvec); }