From patchwork Fri Jan 31 06:17:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11359365 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 D0B1014D5 for ; Fri, 31 Jan 2020 06:17:35 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9CA0824685 for ; Fri, 31 Jan 2020 06:17:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="K7tcSKxV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9CA0824685 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 485FF6B05A5; Fri, 31 Jan 2020 01:17:34 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 40FD66B05A7; Fri, 31 Jan 2020 01:17:34 -0500 (EST) 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 2FE4F6B05A8; Fri, 31 Jan 2020 01:17:34 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0180.hostedemail.com [216.40.44.180]) by kanga.kvack.org (Postfix) with ESMTP id 122016B05A5 for ; Fri, 31 Jan 2020 01:17:34 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id B294B181AEF09 for ; Fri, 31 Jan 2020 06:17:33 +0000 (UTC) X-FDA: 76436922786.14.dolls79_41fd4ae253a15 X-Spam-Summary: 2,0,0,12d236f9b74386d9,d41d8cd98f00b204,akpm@linux-foundation.org,:akpm@linux-foundation.org:andriy.shevchenko@linux.intel.com::mm-commits@vger.kernel.org:torvalds@linux-foundation.org,RULES_HIT:41:355:379:800:960:967:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1541:1711:1730:1747:1777:1792:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3866:3870:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6119:6261:6653:7576:8599:8603:9025:9036:9545:10004:10913:11026:11473:11658:11914:12043:12048:12114:12296:12297:12438:12517:12519:12555:12679:12783:12986:13069:13255:13311:13357:14181:14384:14721:14849:21080:21451:21627:21939:21990:30003:30054,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201,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:25,LUA_SUMMARY:none X-HE-Tag: dolls79_41fd4ae253a15 X-Filterd-Recvd-Size: 2747 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Fri, 31 Jan 2020 06:17:33 +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 987972082E; Fri, 31 Jan 2020 06:17:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580451452; bh=DrSo+4rPUEX6UxmEr5QK4vuG0O5KWJaZHRmStTXp9bI=; h=Date:From:To:Subject:In-Reply-To:From; b=K7tcSKxVLdH8woF6aIxqzV5INAI9XUims2Dkw1LsRH/NkoJjuuYTmAgHz9jjKfncu x7oCMJ7IMZs1rX7zCHkPTcVJoD0n9miHf2LaZw4kMUBMgg9UKxBYUlqXMLdR1+BYAD Gd4h9X44K27NdYaJTy0/FSP0sxUAsbh7Y9jRoK+Q= Date: Thu, 30 Jan 2020 22:17:32 -0800 From: Andrew Morton To: akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 117/118] include/linux/io-mapping.h-mapping: use PHYS_PFN() macro in io_mapping_map_atomic_wc() Message-ID: <20200131061732.qQUnhMZdT%akpm@linux-foundation.org> In-Reply-To: <20200130221021.5f0211c56346d5485af07923@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: Andy Shevchenko Subject: include/linux/io-mapping.h-mapping: use PHYS_PFN() macro in io_mapping_map_atomic_wc() Use PHYS_PFN() macro in io_mapping_map_atomic_wc() instead of open coded variant. Link: http://lkml.kernel.org/r/20191209165624.56351-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Reviewed-by: Andrew Morton Signed-off-by: Andrew Morton --- include/linux/io-mapping.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/include/linux/io-mapping.h~io-mapping-use-phys_pfn-macro-in-io_mapping_map_atomic_wc +++ a/include/linux/io-mapping.h @@ -28,6 +28,7 @@ struct io_mapping { #ifdef CONFIG_HAVE_ATOMIC_IOMAP +#include #include /* * For small address space machines, mapping large objects @@ -64,12 +65,10 @@ io_mapping_map_atomic_wc(struct io_mappi unsigned long offset) { resource_size_t phys_addr; - unsigned long pfn; BUG_ON(offset >= mapping->size); phys_addr = mapping->base + offset; - pfn = (unsigned long) (phys_addr >> PAGE_SHIFT); - return iomap_atomic_prot_pfn(pfn, mapping->prot); + return iomap_atomic_prot_pfn(PHYS_PFN(phys_addr), mapping->prot); } static inline void