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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 D9F27C4347E for ; Mon, 21 Sep 2020 17:44:38 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 69AAD2151B for ; Mon, 21 Sep 2020 17:44:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fnzRgxjZ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="bZyYgvBm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 69AAD2151B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.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=/Ck8LKz9IlgSxx0pQeAztVf12z8NoN/agtEU7QixK2o=; b=fnzRgxjZeDs3VnoYTKmC/7qlO yC2/IMv+jt80B6wC0ImYt/TdP05NE1ip3JpYzDSpXV5Owmh40mHhP3GY3+foS8iTdAu2xbZqkyjJU jyCAmCF1hYIOJwdKGKYlc8gm1Dwih2aLEFbChkCyOyVf7pcGXBBT6oS8plnlrVpHq19IlLX4VTMgq 6SzDUgoMgujbZOMtNwO1KiKjsbIrRql6uycqPoU7ooXS30QFHqS0QEy4+f33nsShVkMyPkuF22A0m nV/Lwh/mafzZ3GIyYdN0/oZPt8AMtjJ+wzjJXjXd6359k9TbE30kDcNPTb2qlE1z0R99BqqBTwFN2 1jXLWWO+g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKPqU-0003UT-MF; Mon, 21 Sep 2020 17:43:22 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKPqS-0003Tl-NU for linux-arm-kernel@lists.infradead.org; Mon, 21 Sep 2020 17:43:21 +0000 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3932C20BED; Mon, 21 Sep 2020 17:43:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600710200; bh=cKsg3hVBq8JmOrVbzOqJFlMVUVoBqKhQpJuOU8riZ5w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bZyYgvBmKfZafOxEhG2K4ORoS3NEEMdspfjYl1vEVg3HOT6ZU9h9MfGFZSDDW6Woi gAJqaHEVxKi6HKTncc3Vct29nwp2hQYwT44hPDj2RpazfmZ3W4XyakP/Nh/plx2jvJ LTo1ntQ9HIOiZEeW5jyZgK/OaeoGYlyNg2F6E9mE= Date: Mon, 21 Sep 2020 18:43:15 +0100 From: Will Deacon To: sudaraja@codeaurora.org Subject: Re: [PATCH] arm64/mm: add fallback option to allocate virtually contiguous memory Message-ID: <20200921174313.GA3141@willie-the-truck> References: <01010174769e2b68-a6f3768e-aef8-43c7-b357-a8cb1e17d3eb-000000@us-west-2.amazonses.com> <145c57a3-1753-3ff8-4353-3bf7bac0b7de@arm.com> <0101017479c7063b-aec9b77c-4f0f-41b6-84e6-f91a5ed1f3f6-000000@us-west-2.amazonses.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0101017479c7063b-aec9b77c-4f0f-41b6-84e6-f91a5ed1f3f6-000000@us-west-2.amazonses.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200921_134320_905103_63D9A6DE X-CRM114-Status: GOOD ( 14.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Anshuman Khandual , Catalin Marinas , David Hildenbrand , linux-kernel@vger.kernel.org, Steven Price , Andrew Morton , Logan Gunthorpe , linux-arm-kernel@lists.infradead.org, pratikp@codeaurora.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Sep 10, 2020 at 08:48:40PM +0000, sudaraja@codeaurora.org wrote: > On 2020-09-10 03:50, Anshuman Khandual wrote: > > The proposed patch tried to mix both approaches. Regardless, the first > > approach > > here seems better and is the case in vmemmap_populate_hugepages() > > implementation > > on x86 as well. > > The 1st approach looks more cleaner compared to bailing out in first > failure, unmapping all previously mapped sections and map entire request > with vmemmap_populate_basepages. Thanks for the review and suggestion - will > send over a cleaner patch soon. Did you send an updated version of this? The threading has gone wonky in my mail client, so I may have missed it. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel