From patchwork Mon Aug 24 12:54:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Shi X-Patchwork-Id: 11733171 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 C0BB314E5 for ; Mon, 24 Aug 2020 12:56:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 95D9C20706 for ; Mon, 24 Aug 2020 12:56:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95D9C20706 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 DE4748D001E; Mon, 24 Aug 2020 08:56:10 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id D95EF8D001A; Mon, 24 Aug 2020 08:56:10 -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 C5C088D001E; Mon, 24 Aug 2020 08:56:10 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0089.hostedemail.com [216.40.44.89]) by kanga.kvack.org (Postfix) with ESMTP id AA0E38D001A for ; Mon, 24 Aug 2020 08:56:10 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 64F7A180AD80F for ; Mon, 24 Aug 2020 12:56:10 +0000 (UTC) X-FDA: 77185460100.18.metal92_4a09c7a27053 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin18.hostedemail.com (Postfix) with ESMTP id 36780100EDBEF for ; Mon, 24 Aug 2020 12:56:10 +0000 (UTC) X-Spam-Summary: 1,0,0,244765521b43fdd5,d41d8cd98f00b204,alex.shi@linux.alibaba.com,,RULES_HIT:41:69:355:379:541:800:960:968:973:988:989:1260:1261:1345:1359:1431:1437:1534:1541:1711:1730:1747:1777:1792:2198:2199:2393:2559:2562:2898:3138:3139:3140:3141:3142:3352:3865:3867:3868:3871:3872:4250:5007:6261:6737:6738:8957:9592:10004:11026:11658:11914:12043:12048:12114:12296:12297:12438:12555:12895:13069:13161:13229:13311:13357:13846:14096:14181:14384:14394:14721:14915:21060:21080:21451:21611:21627:21990:30012:30054:30070,0,RBL:115.124.30.45:@linux.alibaba.com:.lbl8.mailshell.net-62.20.2.100 64.201.201.201;04yrod8k89aqjgoawaqg8srderuqjyp78pkeejrnyhmifjw8dimsuyb67s8kf5r.cgg9hjfkkb1ob9d8os384dqrddobqxmgmfbxi3f51q3sayaxwrdstgacfjbozn8.o-lbl8.mailshell.net-223.238.255.100,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:23,LUA_SUMMARY:none X-HE-Tag: metal92_4a09c7a27053 X-Filterd-Recvd-Size: 3279 Received: from out30-45.freemail.mail.aliyun.com (out30-45.freemail.mail.aliyun.com [115.124.30.45]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Mon, 24 Aug 2020 12:56:08 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R831e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07488;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=23;SR=0;TI=SMTPD_---0U6k9-bl_1598273712; Received: from aliy80.localdomain(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U6k9-bl_1598273712) by smtp.aliyun-inc.com(127.0.0.1); Mon, 24 Aug 2020 20:55:22 +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, 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, alexander.duyck@gmail.com, rong.a.chen@intel.com, mhocko@suse.com, vdavydov.dev@gmail.com, shy828301@gmail.com Cc: "Kirill A. Shutemov" , Vlastimil Babka Subject: [PATCH v18 26/32] mm/mlock: remove __munlock_isolate_lru_page Date: Mon, 24 Aug 2020 20:54:59 +0800 Message-Id: <1598273705-69124-27-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1598273705-69124-1-git-send-email-alex.shi@linux.alibaba.com> References: <1598273705-69124-1-git-send-email-alex.shi@linux.alibaba.com> X-Rspamd-Queue-Id: 36780100EDBEF X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 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 func only has one caller, remove it to clean up code and simplify code. Signed-off-by: Alex Shi Cc: Kirill A. Shutemov Cc: Vlastimil Babka Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/mlock.c | 22 ++++------------------ 1 file changed, 4 insertions(+), 18 deletions(-) diff --git a/mm/mlock.c b/mm/mlock.c index 46a05e6ec5ba..40a8bb79c65e 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -102,23 +102,6 @@ void mlock_vma_page(struct page *page) } /* - * Isolate a page from LRU with optional get_page() pin. - * Assumes lru_lock already held and page already pinned. - */ -static bool __munlock_isolate_lru_page(struct page *page, - struct lruvec *lruvec, bool getpage) -{ - if (TestClearPageLRU(page)) { - if (getpage) - get_page(page); - del_page_from_lru_list(page, lruvec, page_lru(page)); - return true; - } - - return false; -} - -/* * Finish munlock after successful page isolation * * Page must be locked. This is a wrapper for try_to_munlock() @@ -300,7 +283,10 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) * We already have pin from follow_page_mask() * so we can spare the get_page() here. */ - if (__munlock_isolate_lru_page(page, lruvec, false)) { + if (TestClearPageLRU(page)) { + enum lru_list lru = page_lru(page); + + del_page_from_lru_list(page, lruvec, lru); unlock_page_memcg(page); continue; } else