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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 48990C35679 for ; Mon, 24 Feb 2020 05:03:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 299D3206CC for ; Mon, 24 Feb 2020 05:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727328AbgBXFDz (ORCPT ); Mon, 24 Feb 2020 00:03:55 -0500 Received: from foss.arm.com ([217.140.110.172]:57754 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725535AbgBXFDx (ORCPT ); Mon, 24 Feb 2020 00:03:53 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 48584101E; Sun, 23 Feb 2020 21:03:53 -0800 (PST) Received: from p8cg001049571a15.blr.arm.com (p8cg001049571a15.blr.arm.com [10.162.16.95]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id BB6DF3F534; Sun, 23 Feb 2020 21:03:51 -0800 (PST) From: Anshuman Khandual To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Anshuman Khandual , Andrew Morton Subject: [PATCH V2 4/4] mm/vma: Replace all remaining open encodings with vma_is_anonymous() Date: Mon, 24 Feb 2020 10:33:13 +0530 Message-Id: <1582520593-30704-5-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582520593-30704-1-git-send-email-anshuman.khandual@arm.com> References: <1582520593-30704-1-git-send-email-anshuman.khandual@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This replaces all remaining open encodings with vma_is_anonymous(). Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index c8ffe2e61f03..58c8cbfeded6 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -146,7 +146,8 @@ static struct page *no_page_table(struct vm_area_struct *vma, * But we can only make this optimization where a hole would surely * be zero-filled if handle_mm_fault() actually did handle it. */ - if ((flags & FOLL_DUMP) && (!vma->vm_ops || !vma->vm_ops->fault)) + if ((flags & FOLL_DUMP) && + (vma_is_anonymous(vma) || !vma->vm_ops->fault)) return ERR_PTR(-EFAULT); return NULL; } -- 2.20.1