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=-4.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED 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 7631AC43441 for ; Mon, 26 Nov 2018 18:32:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2962420865 for ; Mon, 26 Nov 2018 18:32:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="P9OYeKlZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2962420865 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726535AbeK0F1M (ORCPT ); Tue, 27 Nov 2018 00:27:12 -0500 Received: from mail-ot1-f65.google.com ([209.85.210.65]:39569 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725739AbeK0F1M (ORCPT ); Tue, 27 Nov 2018 00:27:12 -0500 Received: by mail-ot1-f65.google.com with SMTP id g27so17571316oth.6 for ; Mon, 26 Nov 2018 10:32:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=4BUpaRIeEwEygjx+ig6iuVCu9RmSe3tffyqCGoB3WXc=; b=P9OYeKlZqR5KipT3PA8diTVr2Np7ZY3ykArMmA1Komh/nX62R0OQANvh8R9Bk6Wii6 4+PWShtEEGIm3GGm2FdOHRHEknJvETbNoczI9H1BwJQ+JOR6OpEhABUua1nZ65RylvHe DvhIA+JoNL6ps36Cg9JRMuu+FsRvyvfgF5+Wn+Wu9mKUcCITTLn6UeQ1WUiF+LJZdqK0 iDRs9yL8PdESeAqhNjGhep8Tk6DJmNvSkMqrA4ATnAApTeWVlr9lkGwQpW8xD1ZJygOo B91v1YUt6hBAmw06TX5Hi1Z+Si+lNjhtram/v0NBdxkOKo0FW+CaJmb/iyad7cRxKt5/ 8W4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=4BUpaRIeEwEygjx+ig6iuVCu9RmSe3tffyqCGoB3WXc=; b=fFc9ZUPJbVhl+GH0iXT6Tg51SegZUy0VifGkdnSJgH2ZsH7qr6Mc2WAfkrTeUP8hC6 KSlLvmP26JFBFBGj3vNNoHY0dU589T83hxS8MPIUGjBf3mbKD6w3hH9YklVu9WaWhudY tWgE+6I2j0jtViM0PbJtxHL8ZHtXdGYl9IpSkPLaQf1HSA+MWAL6Scb+pp9OvkPOrMTS GpWgyWxqPA+GDrrH6mvjQ8jwFM/NEYy+YnI98Fxy8q27UYh61K2Ynm9sjyxs4nqRBGcO ToIhsW34YbGvy4vYET6g0Car5JCFtnR/kHNgZQ445RSrXYKMGDHQBcoAV5lvFMiFJ747 8aNA== X-Gm-Message-State: AA+aEWZ1dmlqrbSSDTbeTZ3OWtzraVJBT9hrlhy+sBpMUoMd9ciXZ/Hc hyncLn7UQ3RzkZ9O/g41DtUKGL9uaY+Rjf64jGJOmQ== X-Google-Smtp-Source: AFSGD/W/3UYho5tG0Kj3a3uMcg7r+XmhUWz8nraAxA+dLW32FXjkZ5w9GtpuL87sJuhyvkua5aPIE7uI77oYB44Iazw= X-Received: by 2002:a9d:775a:: with SMTP id t26mr15132906otl.32.1543257135211; Mon, 26 Nov 2018 10:32:15 -0800 (PST) MIME-Version: 1.0 References: <20181109203921.178363-1-brho@google.com> <20181114215155.259978-1-brho@google.com> <20181114215155.259978-2-brho@google.com> In-Reply-To: <20181114215155.259978-2-brho@google.com> From: Dan Williams Date: Mon, 26 Nov 2018 10:32:04 -0800 Message-ID: Subject: Re: [PATCH v2 1/3] mm: make dev_pagemap_mapping_shift() externally visible To: Barret Rhoden Cc: Dave Jiang , zwisler@kernel.org, Vishal L Verma , Paolo Bonzini , rkrcmar@redhat.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Naoya Horiguchi , linux-nvdimm , Linux Kernel Mailing List , "H. Peter Anvin" , X86 ML , KVM list , "Zhang, Yu C" , "Zhang, Yi Z" , Linux MM , David Hildenbrand Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 14, 2018 at 1:53 PM Barret Rhoden wrote: > > KVM has a use case for determining the size of a dax mapping. The KVM > code has easy access to the address and the mm; hence the change in > parameters. > > Signed-off-by: Barret Rhoden > Reviewed-by: David Hildenbrand Acked-by: Dan Williams