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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,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 70A06C43381 for ; Wed, 20 Feb 2019 21:03:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 37FD52146E for ; Wed, 20 Feb 2019 21:03:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ihq5bBWX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37FD52146E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pWqHQarO3L+WmgKgOTW7LMpg7yrF6ezOy1V1zHHfYjw=; b=ihq5bBWXOYMC1H idYvChht0DpXVXQnZq5xMvwrfnotPxfokE8M3Cc0AlhRuUoqAWSO6l1QQ0bPjiRWAeYTkSGQVP4N0 PAAwy39vZ7HWeePY4MBdM6ToWFpLLNayroGK31aLfgNxqDZ8ucbWYDsZhRzZTA9MA0kefMJjxWz2z lpRSKlzs3c6XTRcmiTc3W7LIkwQvaLEUYr0Gi6MFtsK5PH3OYlyvSVuMIgb99U4qlM0T0TD2qOrWa uuAjgsZYRjwukw82lJ2OVezJt7fsFsdFyfOQWtI4x4wpwdAR2Ct9Cw16bj/43wAQztHdzVGJjflec GVbDn/DQlHVNEBrs2o4A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwZ1S-0005nd-P7; Wed, 20 Feb 2019 21:03:18 +0000 Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwZ1P-0005my-Oh; Wed, 20 Feb 2019 21:03:15 +0000 Date: Wed, 20 Feb 2019 13:03:15 -0800 From: Matthew Wilcox To: Yu Zhao Subject: Re: [PATCH v2 1/3] arm64: mm: use appropriate ctors for page tables Message-ID: <20190220210315.GM12668@bombadil.infradead.org> References: <20190214211642.2200-1-yuzhao@google.com> <20190218231319.178224-1-yuzhao@google.com> <863acc9a-53fb-86ad-4521-828ee8d9c222@arm.com> <20190219053205.GA124985@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190219053205.GA124985@google.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , linux-arch@vger.kernel.org, Anshuman Khandual , Peter Zijlstra , Catalin Marinas , Ard Biesheuvel , Will Deacon , linux-kernel@vger.kernel.org, Nick Piggin , Jun Yao , linux-mm@kvack.org, "Aneesh Kumar K . V" , Chintan Pandya , Joel Fernandes , "Kirill A . Shutemov" , Andrew Morton , Laura Abbott , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Feb 18, 2019 at 10:32:05PM -0700, Yu Zhao wrote: > pgtable_pmd_page_ctor() must be used on user pmd. For kernel pmd, > it's okay to use pgtable_page_ctor() instead only because kernel > doesn't have thp. I'm not sure that's true. I think you can create THPs in vmalloc these days. See HAVE_ARCH_HUGE_VMAP which is supported by arm64. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel