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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 1F5EEC433E7 for ; Wed, 2 Sep 2020 16:58:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A477C20767 for ; Wed, 2 Sep 2020 16:58:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="HfWuo8NN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A477C20767 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 E522D6B0075; Wed, 2 Sep 2020 12:58:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DA7ED6B0095; Wed, 2 Sep 2020 12:58:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BAAC36B0075; Wed, 2 Sep 2020 12:58:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0188.hostedemail.com [216.40.44.188]) by kanga.kvack.org (Postfix) with ESMTP id A582C6B0071 for ; Wed, 2 Sep 2020 12:58:38 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 5FEE28249980 for ; Wed, 2 Sep 2020 16:58:38 +0000 (UTC) X-FDA: 77218730316.26.play42_560b76a270a2 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin26.hostedemail.com (Postfix) with ESMTP id 370A71804B661 for ; Wed, 2 Sep 2020 16:58:38 +0000 (UTC) X-HE-Tag: play42_560b76a270a2 X-Filterd-Recvd-Size: 4684 Received: from hqnvemgate26.nvidia.com (hqnvemgate26.nvidia.com [216.228.121.65]) by imf12.hostedemail.com (Postfix) with ESMTP for ; Wed, 2 Sep 2020 16:58:37 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 02 Sep 2020 09:58:22 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 02 Sep 2020 09:58:36 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 02 Sep 2020 09:58:36 -0700 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 2 Sep 2020 16:58:35 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 2 Sep 2020 16:58:35 +0000 Received: from rcampbell-dev.nvidia.com (Not Verified[10.110.48.66]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Wed, 02 Sep 2020 09:58:35 -0700 From: Ralph Campbell To: , , , CC: Jerome Glisse , John Hubbard , Alistair Popple , Christoph Hellwig , Jason Gunthorpe , Bharata B Rao , Ben Skeggs , Shuah Khan , Andrew Morton , Ralph Campbell Subject: [PATCH v2 0/7] mm/hmm/nouveau: add THP migration to migrate_vma_* Date: Wed, 2 Sep 2020 09:58:23 -0700 Message-ID: <20200902165830.5367-1-rcampbell@nvidia.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1599065902; bh=HDNx0TwwmJgLSW/5j1pExKoabH4DVWo6AyNeqn5NpEE=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: MIME-Version:X-NVConfidentiality:Content-Transfer-Encoding: Content-Type; b=HfWuo8NNo43M+Qt3U1+x2Shdo1HAwCPr4mdA97/9p7wzzLRhkXGR+X+dsYWCVMCib PVKnHWYjEo5Adqg7iAZB27IOiw+7CGxxNeiXNyQcR/PYwiB7GiO66mYj0XPpHiefaM bp0X5oVbS71mSis4jKxlFXL+roxm1hzyKnxxEzGyq5jDiVxleaM+uRVnFqmkYoX8B2 fIMG2z279kugbOd/p5x/8sqMWszGPbJ0zpGnE/1ON5Na3A7O4d5+C4q/jdhnpOzens C83Qaw3fVIiG34eTsPxbkPGRUIfem81nClo5mQ+uzfyLWXj957Lp5GX7K7fQCMTZIm /5BjxW5uKraZA== X-Rspamd-Queue-Id: 370A71804B661 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: This series adds support for transparent huge page migration to migrate_vma_*() and adds nouveau SVM and HMM selftests as consumers. An earlier version was posted previously [1]. This version now supports splitting a THP midway in the migration process which led to a number of changes. The patches apply cleanly to the current linux-mm tree. Since there are a couple of patches in linux-mm from Dan Williams that modify lib/test_hmm.c and drivers/gpu/drm/nouveau/nouveau_dmem.c, it might be easiest if Andrew could take these through the linux-mm tree assuming that's OK with other maintainers like Ben Skeggs. [1] https://lore.kernel.org/linux-mm/20200619215649.32297-1-rcampbell@nvidi= a.com Ralph Campbell (7): mm/thp: fix __split_huge_pmd_locked() for migration PMD mm/migrate: move migrate_vma_collect_skip() mm: support THP migration to device private memory mm/thp: add prep_transhuge_device_private_page() mm/thp: add THP allocation helper mm/hmm/test: add self tests for THP migration nouveau: support THP migration to private memory drivers/gpu/drm/nouveau/nouveau_dmem.c | 289 +++++++++++----- drivers/gpu/drm/nouveau/nouveau_svm.c | 11 +- drivers/gpu/drm/nouveau/nouveau_svm.h | 3 +- include/linux/gfp.h | 10 + include/linux/huge_mm.h | 12 + include/linux/memremap.h | 9 + include/linux/migrate.h | 2 + lib/test_hmm.c | 439 +++++++++++++++++++++---- lib/test_hmm_uapi.h | 3 + mm/huge_memory.c | 177 +++++++--- mm/memory.c | 10 +- mm/migrate.c | 429 +++++++++++++++++++----- mm/rmap.c | 2 +- tools/testing/selftests/vm/hmm-tests.c | 404 +++++++++++++++++++++++ 14 files changed, 1519 insertions(+), 281 deletions(-) --=20 2.20.1