From patchwork Tue Jun 23 12:41:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 11620645 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 B4B9A1392 for ; Tue, 23 Jun 2020 12:42:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8AAAF20738 for ; Tue, 23 Jun 2020 12:42:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AAAF20738 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 D0A9B6B0006; Tue, 23 Jun 2020 08:42:17 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id CE1396B0007; Tue, 23 Jun 2020 08:42:17 -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 BF5C96B0008; Tue, 23 Jun 2020 08:42:17 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0221.hostedemail.com [216.40.44.221]) by kanga.kvack.org (Postfix) with ESMTP id A58106B0006 for ; Tue, 23 Jun 2020 08:42:17 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 29221824805A for ; Tue, 23 Jun 2020 12:42:17 +0000 (UTC) X-FDA: 76960439514.02.town04_0f0a72b26e3b Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin02.hostedemail.com (Postfix) with ESMTP id 90ED950000A5A2E1 for ; Tue, 23 Jun 2020 12:42:16 +0000 (UTC) X-Spam-Summary: 1,0,0,0b12bf9b6df08054,d41d8cd98f00b204,richard.weiyang@linux.alibaba.com,,RULES_HIT:41:355:379:541:960:973:988:989:1260:1261:1311:1314:1345:1437:1515:1534:1540:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3350:3865:3866:3868:3871:5007:6261:10004:11026:11658:11914:12043:12296:12297:12438:12555:12895:13069:13255:13311:13357:13894:14181:14384:14394:14721:21080:21451:21627:21966:30054:30065,0,RBL:115.124.30.132:@linux.alibaba.com:.lbl8.mailshell.net-62.20.2.100 64.201.201.201;04yr8hpyrkznyft1jzifkm1xjgyeaocdrugz7xtfs4ij6ipcu4sdyjhh6ch1fq5.c413zn85b65f14d9ztyyxsykgsgt3wkzymhgwb7r5ud31r7sp7qnayfwc7kon6e.h-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:26,LUA_SUMMARY:none X-HE-Tag: town04_0f0a72b26e3b X-Filterd-Recvd-Size: 2059 Received: from out30-132.freemail.mail.aliyun.com (out30-132.freemail.mail.aliyun.com [115.124.30.132]) by imf46.hostedemail.com (Postfix) with ESMTP for ; Tue, 23 Jun 2020 12:42:15 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01419;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0U0W2m8i_1592916130; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0U0W2m8i_1592916130) by smtp.aliyun-inc.com(127.0.0.1); Tue, 23 Jun 2020 20:42:11 +0800 From: Wei Yang To: mgorman@suse.de, akpm@linux-foundation.org, richard.weiyang@linux.alibaba.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] mm/page_alloc.c: replace the definition of NR_MIGRATETYPE_BITS with PB_migratetype_bits Date: Tue, 23 Jun 2020 20:41:58 +0800 Message-Id: <20200623124201.8199-1-richard.weiyang@linux.alibaba.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) MIME-Version: 1.0 X-Rspamd-Queue-Id: 90ED950000A5A2E1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: We already have the definition of PB_migratetype_bits and current NR_MIGRATETYPE_BITS looks like a cyclic definition. Just use PB_migratetype_bits is enough. Signed-off-by: Wei Yang --- include/linux/mmzone.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index df1f08486d81..eeb0da54ff5f 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -88,8 +88,7 @@ static inline bool is_migrate_movable(int mt) extern int page_group_by_mobility_disabled; -#define NR_MIGRATETYPE_BITS (PB_migrate_end - PB_migrate + 1) -#define MIGRATETYPE_MASK ((1UL << NR_MIGRATETYPE_BITS) - 1) +#define MIGRATETYPE_MASK ((1UL << PB_migratetype_bits) - 1) #define get_pageblock_migratetype(page) \ get_pfnblock_flags_mask(page, page_to_pfn(page), \