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=-7.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 440DEC32753 for ; Thu, 15 Aug 2019 00:10:02 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 05F18208C2 for ; Thu, 15 Aug 2019 00:10:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="hTvydnEs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05F18208C2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 88E9F6B0003; Wed, 14 Aug 2019 20:10:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 840476B0005; Wed, 14 Aug 2019 20:10:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 754FD6B0007; Wed, 14 Aug 2019 20:10:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0147.hostedemail.com [216.40.44.147]) by kanga.kvack.org (Postfix) with ESMTP id 531DE6B0003 for ; Wed, 14 Aug 2019 20:10:01 -0400 (EDT) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id E929F181AC9B4 for ; Thu, 15 Aug 2019 00:10:00 +0000 (UTC) X-FDA: 75822729360.21.fear29_7479a11a52112 X-HE-Tag: fear29_7479a11a52112 X-Filterd-Recvd-Size: 4068 Received: from hqemgate14.nvidia.com (hqemgate14.nvidia.com [216.228.121.143]) by imf28.hostedemail.com (Postfix) with ESMTP for ; Thu, 15 Aug 2019 00:10:00 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 14 Aug 2019 17:10:01 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 14 Aug 2019 17:09:59 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 14 Aug 2019 17:09:59 -0700 Received: from rcampbell-dev.nvidia.com (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 15 Aug 2019 00:09:55 +0000 Subject: Re: turn hmm migrate_vma upside down v3 To: Christoph Hellwig , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Ben Skeggs CC: Bharata B Rao , Andrew Morton , , , , References: <20190814075928.23766-1-hch@lst.de> From: Ralph Campbell X-Nvconfidentiality: public Message-ID: <8e3b17ef-0b9e-6866-128f-403c8ba3a322@nvidia.com> Date: Wed, 14 Aug 2019 17:09:54 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190814075928.23766-1-hch@lst.de> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL105.nvidia.com (172.20.187.12) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1565827801; bh=UFE11LA+ZDd79e7Fh4F3PTQQo4YwL9Cl4D835Utwz2E=; h=X-PGP-Universal:Subject:To:CC:References:From:X-Nvconfidentiality: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=hTvydnEs0xSSVJWPajFZPOOuonANGrVb61PcnHEcdZAa1Izsz9/gKb19ZA98X8SzE AvqduFk9EUWUOqgXmyGPSL5MQbVY4v/pzouHJDVQk9niKC3bZiG1TXDZv99HcXZFeO JNO6B/xaf/pGhk5df1D+EvN7msxDZUFjg01SoQ7+73tpn3RJ+XwxPfvKKCmivQeIsy dDWNjuOZOKhNMMMStclR1bhAFqwIy8eXpTgWYcWh6BlSWM44vpQgH/OgbRe24ZBOcA yfx9TUJlXzKMfQWSJDMBK+DLGwIcpX57KXDaDNMZN21bi3WpHUr2NJY0xjwWi+KLja gUC703gAIO5Ug== 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: On 8/14/19 12:59 AM, Christoph Hellwig wrote: > Hi J=C3=A9r=C3=B4me, Ben and Jason, >=20 > below is a series against the hmm tree which starts revamping the > migrate_vma functionality. The prime idea is to export three slightly > lower level functions and thus avoid the need for migrate_vma_ops > callbacks. >=20 > Diffstat: >=20 > 7 files changed, 282 insertions(+), 614 deletions(-) >=20 > A git tree is also available at: >=20 > git://git.infradead.org/users/hch/misc.git migrate_vma-cleanup.3 >=20 > Gitweb: >=20 > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/migr= ate_vma-cleanup.3 >=20 >=20 > Changes since v2: > - don't unmap pages when returning 0 from nouveau_dmem_migrate_to_ram > - minor style fixes > - add a new patch to remove CONFIG_MIGRATE_VMA_HELPER >=20 > Changes since v1: > - fix a few whitespace issues > - drop the patch to remove MIGRATE_PFN_WRITE for now > - various spelling fixes > - clear cpages and npages in migrate_vma_setup > - fix the nouveau_dmem_fault_copy_one return value > - minor improvements to some nouveau internal calling conventions >=20 Some of the patches seem to have been mangled in the mail. I was able to edit them and apply to Jason's tree https://github.com/jgunthorpe/linux.git mmu_notifier branch. So for the series you can add: Tested-by: Ralph Campbell