From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51179C3279B for ; Mon, 2 Jul 2018 15:31:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D0C8208B3 for ; Mon, 2 Jul 2018 15:31:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NxVqWjOD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D0C8208B3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752445AbeGBPa6 (ORCPT ); Mon, 2 Jul 2018 11:30:58 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:38196 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752069AbeGBPa5 (ORCPT ); Mon, 2 Jul 2018 11:30:57 -0400 Received: by mail-pf0-f193.google.com with SMTP id j17-v6so7680991pfn.5 for ; Mon, 02 Jul 2018 08:30:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=SOeaUhNubE0TGKpHw3MK/vaDFDR+omLetn32skLI30M=; b=NxVqWjODTcMumt0a4px0T0bDtFeVAIk+KasIOqtwd7oIHsHylTRJP0Rz47H/iTicwF 3AZ4ykaG/lycX1/LYYB8Y1aiCniOm61AKQWSvYYTdzhWfTqrBOxqfm0OYZMZcU0PHADf /VuAPKXXz1wXvnzR4V4D0jAbSawS8va1sy+ivqGK4Vyl1YRJKyh/PWvavyLBZI+9ks6k prIsXz1NsjmRf3JpWYkDwo5QXotqtGbEcDzCS5feTVn/Et2tlTeaqP1eqvIJxKcvqgZi GNL+RBHcnF/uZY9i89pAyCn2oB3RLjcGPhF4XLu/2pxhDjZ9N5AIspWfrTv/XwkEui0Z 78xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=SOeaUhNubE0TGKpHw3MK/vaDFDR+omLetn32skLI30M=; b=EbeaAEH2JyZgPQWtGaCsSZyzvVjY2zMb5Eqgw89gmMTp1Z/mVaDCObLeE/OOakvInp 2+BiIzf949EkH83xFbKY7h/k4V3eQR2FlLKB7IHQZR4svKudLeRFNaTybf4+cZSmlWJ5 H4wsPklzyrQFmaPA17406B19ECFl5dZ68JcagMFuMtt9CsgrQWsBi7vrHg7M2SOz7UN3 DbsQyGS73NEuVkysCjdk/d6UC00XDtZ9+0Yfwu/T6sN9Tf6LoOEN44ntEtU6aabeGHnb OH60jW0H38hYCvqKvuF8g+CU5vvtTvgRzKmARS09KXkDW55+Y6/cVtMWA4DCOpwF6nHX xIYQ== X-Gm-Message-State: APt69E16JTwYK5C4Z34ppKU5TwJ8JvSFAp9uiHDyO5sXeQEyO4go22Bs AFKzptlJ0iwGuKYCgfZkvzmYEA== X-Google-Smtp-Source: AAOMgpeMMm/bKU3wyoRvbcMa3FKTSNPwt2ITOBYsjys13XENPg9f9Ow8qnsWbcOcqHpD3IDXuUFiPw== X-Received: by 2002:a63:9902:: with SMTP id d2-v6mr14030909pge.343.1530545456314; Mon, 02 Jul 2018 08:30:56 -0700 (PDT) Received: from jordon-HP-15-Notebook-PC ([49.205.216.114]) by smtp.gmail.com with ESMTPSA id a8-v6sm32879452pfe.72.2018.07.02.08.30.54 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 02 Jul 2018 08:30:54 -0700 (PDT) Date: Mon, 2 Jul 2018 21:03:25 +0530 From: Souptick Joarder To: akpm@linux-foundation.org Cc: ganeshgr@chelsio.com, rahul.lakkireddy@chelsio.com, davem@davemloft.net, adobriyan@gmail.com, willy@infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] fs: proc: Adding new typedef vm_fault_t Message-ID: <20180702153325.GA3875@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use new return type vm_fault_t for fault handler in struct vm_operations_struct. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. see commit 1c8f422059ae ("mm: change return type to vm_fault_t") for reference. Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox --- fs/proc/vmcore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index a45f0af..7243e94 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -265,7 +265,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer, * On s390 the fault handler is used for memory regions that can't be mapped * directly with remap_pfn_range(). */ -static int mmap_vmcore_fault(struct vm_fault *vmf) +static vm_fault_t mmap_vmcore_fault(struct vm_fault *vmf) { #ifdef CONFIG_S390 struct address_space *mapping = vmf->vma->vm_file->f_mapping; -- 1.9.1