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=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 2E3E9C35679 for ; Mon, 24 Feb 2020 05:03:55 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0696520714 for ; Mon, 24 Feb 2020 05:03:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0696520714 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AE67D6B0070; Mon, 24 Feb 2020 00:03:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id ABE8C6B0071; Mon, 24 Feb 2020 00:03:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 989BB6B0072; Mon, 24 Feb 2020 00:03:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 7F84C6B0070 for ; Mon, 24 Feb 2020 00:03:54 -0500 (EST) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 409AA180AD807 for ; Mon, 24 Feb 2020 05:03:54 +0000 (UTC) X-FDA: 76523828388.24.boats14_5c3fdd001852b X-HE-Tag: boats14_5c3fdd001852b X-Filterd-Recvd-Size: 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Mon, 24 Feb 2020 05:03:53 +0000 (UTC) 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> 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: 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