From patchwork Fri Jun 26 13:52:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 11627685 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 8BB9E912 for ; Fri, 26 Jun 2020 14:08:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 62A1E207D8 for ; Fri, 26 Jun 2020 14:08:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62A1E207D8 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 510196B0005; Fri, 26 Jun 2020 10:08:15 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 4BFCF6B000D; Fri, 26 Jun 2020 10:08:15 -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 362676B000E; Fri, 26 Jun 2020 10:08:15 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0117.hostedemail.com [216.40.44.117]) by kanga.kvack.org (Postfix) with ESMTP id 1ABEB6B0005 for ; Fri, 26 Jun 2020 10:08:15 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 7D3DD181ABE81 for ; Fri, 26 Jun 2020 14:08:14 +0000 (UTC) X-FDA: 76971542508.04.pets05_2b1710726e56 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 576D680A33CB for ; Fri, 26 Jun 2020 14:08:14 +0000 (UTC) X-Spam-Summary: 1,0,0,02241454fd1a33ff,d41d8cd98f00b204,richard.weiyang@linux.alibaba.com,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1261:1311:1314:1345:1359:1437:1515:1534:1540:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3351:3865:3868:4321:5007:6261:6737:7514:10004:11026:11658:11914:12043:12048:12296:12297:12555:12895:13069:13255:13311:13357:13894:14181:14384:14394:14721:21080:21451:21627:21990:30054:30065:30070,0,RBL:115.124.30.44:@linux.alibaba.com:.lbl8.mailshell.net-64.201.201.201 62.20.2.100;04ygzoim36fpqgt359ncaqgatp7cgopnwpq5fhb3gw3sky3s9dffnfrh4uacphx.8cpucdsue3yicyo1ku41hid5hxjm853zn1p37ttgxuqxxdtii7in7nshhpiywtg.g-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:neutral,Custom_rules:0:0:0,LFtime:27,LUA_SUMMARY:none X-HE-Tag: pets05_2b1710726e56 X-Filterd-Recvd-Size: 2396 Received: from out30-44.freemail.mail.aliyun.com (out30-44.freemail.mail.aliyun.com [115.124.30.44]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Fri, 26 Jun 2020 14:08:08 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R471e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0U0lTVpj_1593179550; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0U0lTVpj_1593179550) by smtp.aliyun-inc.com(127.0.0.1); Fri, 26 Jun 2020 21:52:30 +0800 From: Wei Yang To: akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, yang.shi@linux.alibaba.com, vbabka@suse.cz, willy@infradead.org, thomas_os@shipmail.org, thellstrom@vmware.com, anshuman.khandual@arm.com, sean.j.christopherson@intel.com, aneesh.kumar@linux.ibm.com, peterx@redhat.com, walken@google.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, digetx@gmail.com, Wei Yang Subject: [RESEND Patch v2 1/4] mm/mremap: format the check in move_normal_pmd() same as move_huge_pmd() Date: Fri, 26 Jun 2020 21:52:13 +0800 Message-Id: <20200626135216.24314-2-richard.weiyang@linux.alibaba.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) In-Reply-To: <20200626135216.24314-1-richard.weiyang@linux.alibaba.com> References: <20200626135216.24314-1-richard.weiyang@linux.alibaba.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: 576D680A33CB X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: No functional change, just improve the readability and prepare for following cleanup. Signed-off-by: Wei Yang Tested-by: Dmitry Osipenko --- mm/mremap.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/mremap.c b/mm/mremap.c index 5dd572d57ca9..97bf9a2a8bd5 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -200,8 +200,9 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, struct mm_struct *mm = vma->vm_mm; pmd_t pmd; - if ((old_addr & ~PMD_MASK) || (new_addr & ~PMD_MASK) - || old_end - old_addr < PMD_SIZE) + if ((old_addr & ~PMD_MASK) || + (new_addr & ~PMD_MASK) || + old_end - old_addr < PMD_SIZE) return false; /*