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, URIBL_BLOCKED,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 217ABC7619C for ; Mon, 17 Feb 2020 05:04:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EA9722070B for ; Mon, 17 Feb 2020 05:04:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA9722070B 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 9797D6B000C; Mon, 17 Feb 2020 00:04:32 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8D56A6B000D; Mon, 17 Feb 2020 00:04:32 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7C50E6B000E; Mon, 17 Feb 2020 00:04:32 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0080.hostedemail.com [216.40.44.80]) by kanga.kvack.org (Postfix) with ESMTP id 63CC46B000C for ; Mon, 17 Feb 2020 00:04:32 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id ECA8E180AD811 for ; Mon, 17 Feb 2020 05:04:31 +0000 (UTC) X-FDA: 76498428342.14.soup80_7eda5ea00091b X-HE-Tag: soup80_7eda5ea00091b X-Filterd-Recvd-Size: 2023 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf30.hostedemail.com (Postfix) with ESMTP for ; Mon, 17 Feb 2020 05:04:31 +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 2E4E511D4; Sun, 16 Feb 2020 21:04:31 -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 B28FC3F703; Sun, 16 Feb 2020 21:04:29 -0800 (PST) From: Anshuman Khandual To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Anshuman Khandual , Andrew Morton Subject: [PATCH 5/5] mm/vma: Replace all remaining open encodings with vma_is_anonymous() Date: Mon, 17 Feb 2020 10:33:53 +0530 Message-Id: <1581915833-21984-6-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1581915833-21984-1-git-send-email-anshuman.khandual@arm.com> References: <1581915833-21984-1-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