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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 9F051C4741F for ; Thu, 1 Oct 2020 15:23:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9E9F420719 for ; Thu, 1 Oct 2020 15:23:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="NDh23Arp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9E9F420719 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E2ACE6B0070; Thu, 1 Oct 2020 11:23:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D16F96B0071; Thu, 1 Oct 2020 11:23:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C06AC6B0072; Thu, 1 Oct 2020 11:23:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0242.hostedemail.com [216.40.44.242]) by kanga.kvack.org (Postfix) with ESMTP id 93A1D6B0070 for ; Thu, 1 Oct 2020 11:23:09 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 1D8DB180AD801 for ; Thu, 1 Oct 2020 15:23:09 +0000 (UTC) X-FDA: 77323724898.03.cow94_1d1159f2719c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id F12B428A4E8 for ; Thu, 1 Oct 2020 15:23:08 +0000 (UTC) X-HE-Tag: cow94_1d1159f2719c X-Filterd-Recvd-Size: 2066 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Thu, 1 Oct 2020 15:23:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=0DP8FRASYJhnj+ZUPhXTZDts6v/c9Sq0t6bykFD+Yp8=; b=NDh23Arp8JoAfxiPny5rWGlvHv U5qr7YczyKjoftETL4gyw3GTSQJr2zrT5brpNWXRJbhxE4dEJ/m1GWHVHE1OGeFwiA/j5v+an3WEg PbdNFum8hjTAOUs6q1gOd97S8drcpynT9yzfyCH9b0eF6/VA59EMkvUDSy06D7oT0m2foiNeJxxyW TNjXwIaIBUQtIOw07l+L47d1PZQyiJPwHpOs4xjs0UaQOlti6SEgeOxiOopLB3u8e9kQeIi7IyGCP Ojqq3GwIKJ2eLeR3jvmXaXDL26SyjsM4ubn84TBZdI6LR+CvzsoNAgfSeYNq2Hhv4ebVGFsb3GPkl qc7Fr1Dw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kO0QC-0003up-U5; Thu, 01 Oct 2020 15:23:04 +0000 From: "Matthew Wilcox (Oracle)" To: akpm@linuxfoundation.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org Subject: [PATCH 1/2] mm: Fix remove page fault assumption of compound page size Date: Thu, 1 Oct 2020 16:22:58 +0100 Message-Id: <20201001152259.14932-1-willy@infradead.org> X-Mailer: git-send-email 2.21.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: Please fold into above patch. page_order() and compound_order() are different things. Signed-off-by: Matthew Wilcox (Oracle) --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index 37437b56f66f..2f3babcd629a 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3747,7 +3747,7 @@ static vm_fault_t do_set_pmd(struct vm_fault *vmf, = struct page *page) return ret; =20 page =3D compound_head(page); - if (page_order(page) !=3D HPAGE_PMD_ORDER) + if (compound_order(page) !=3D HPAGE_PMD_ORDER) return ret; =20 /* --=20 2.28.0