From patchwork Tue Apr 7 03:07:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11477311 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 C2FAE92A for ; Tue, 7 Apr 2020 03:07:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 90C8D218AC for ; Tue, 7 Apr 2020 03:07:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="RYU6r/RG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90C8D218AC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6D0CA8E004C; Mon, 6 Apr 2020 23:07:50 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 65B468E0001; Mon, 6 Apr 2020 23:07:50 -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 54A398E004C; Mon, 6 Apr 2020 23:07:50 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0232.hostedemail.com [216.40.44.232]) by kanga.kvack.org (Postfix) with ESMTP id 3A9D18E0001 for ; Mon, 6 Apr 2020 23:07:50 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 0170099B4 for ; Tue, 7 Apr 2020 03:07:50 +0000 (UTC) X-FDA: 76679574300.24.stew31_7e8e76bf6c552 X-Spam-Summary: 2,0,0,8033e2e70a87d993,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:355:379:800:960:967:968:973:988:989:1260:1263:1345:1359:1381:1431:1534:1540:1568:1711:1714:1730:1747:1777:1792:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3866:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6114:6261:6642:6653:7514:7576:9025:9121:9391:9545:10004:10913:11026:11233:11473:11658:11914:12043:12048:12296:12297:12517:12519:12555:12679:12783:12986:13069:13255:13311:13357:13846:14181:14384:14721:14777:14849:21080:21433:21451:21627:21819:21939:21990:30012:30054,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100,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:24,LUA_SUMMARY:none X-HE-Tag: stew31_7e8e76bf6c552 X-Filterd-Recvd-Size: 2329 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Apr 2020 03:07:49 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id ADBA121D79; Tue, 7 Apr 2020 03:07:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586228868; bh=UUb6ln3qeCSMRt0Ut5qU/58nR6epVajz4mcAdeklo8Y=; h=Date:From:To:Subject:In-Reply-To:From; b=RYU6r/RGVczI3ya653ZpCYsteUeEJCDVrhWyiK4udAJTX5eVTOrw+FoIe/ASichJm uKf+3rZDpE1R2IqtTNu4ts6jGyZ7Hav9HCZY+hpblucEqKbbrT0mGgkTu4fN5bKmJF LnlY7lj4bV5LraMym5bQ7NT/2uUe58z8dd0GVtNw= Date: Mon, 06 Apr 2020 20:07:48 -0700 From: Andrew Morton To: akpm@linux-foundation.org, chenqiwu@xiaomi.com, david@redhat.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 071/166] mm/memory_hotplug.c: use __pfn_to_section() instead of open-coding Message-ID: <20200407030748.ZaB1ymPTz%akpm@linux-foundation.org> In-Reply-To: <20200406200254.a69ebd9e08c4074e41ddebaf@linux-foundation.org> User-Agent: s-nail v14.8.16 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: From: chenqiwu Subject: mm/memory_hotplug.c: use __pfn_to_section() instead of open-coding Use __pfn_to_section() API instead of open-coding for better code readability. Link: http://lkml.kernel.org/r/1584345134-16671-1-git-send-email-qiwuchen55@gmail.com Signed-off-by: chenqiwu Acked-by: David Hildenbrand Signed-off-by: Andrew Morton --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memory_hotplug.c~mm-memory_hotplug-use-__pfn_to_section-instead-of-open-coding +++ a/mm/memory_hotplug.c @@ -495,7 +495,7 @@ static void __remove_section(unsigned lo unsigned long map_offset, struct vmem_altmap *altmap) { - struct mem_section *ms = __nr_to_section(pfn_to_section_nr(pfn)); + struct mem_section *ms = __pfn_to_section(pfn); if (WARN_ON_ONCE(!valid_section(ms))) return;