linux-kernel - [PATCH 00/16] mm/hmm/nouveau: THP mapping and migration

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Date:   Fri, 19 Jun 2020 14:56:33 -0700
From:   Ralph Campbell <rcampbell@...dia.com>
To:     <nouveau@...ts.freedesktop.org>, <linux-rdma@...r.kernel.org>,
        <linux-mm@...ck.org>, <linux-kselftest@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Jerome Glisse <jglisse@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        Christoph Hellwig <hch@....de>,
        Jason Gunthorpe <jgg@...lanox.com>,
        "Ben Skeggs" <bskeggs@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>,
        Ralph Campbell <rcampbell@...dia.com>
Subject: [PATCH 00/16] mm/hmm/nouveau: THP mapping and migration

These patches apply to linux-5.8.0-rc1. Patches 1-3 should probably go
into 5.8, the others can be queued for 5.9. Patches 4-6 improve the HMM
self tests. Patch 7-8 prepare nouveau for the meat of this series which
adds support and testing for compound page mapping of system memory
(patches 9-11) and compound page migration to device private memory
(patches 12-16). Since these changes are split across mm core, nouveau,
and testing, I'm guessing Jason Gunthorpe's HMM tree would be appropriate.

Ralph Campbell (16):
  mm: fix migrate_vma_setup() src_owner and normal pages
  nouveau: fix migrate page regression
  nouveau: fix mixed normal and device private page migration
  mm/hmm: fix test timeout on slower machines
  mm/hmm/test: remove redundant page table invalidate
  mm/hmm: test mixed normal and device private migrations
  nouveau: make nvkm_vmm_ctor() and nvkm_mmu_ptp_get() static
  nouveau/hmm: fault one page at a time
  mm/hmm: add output flag for compound page mapping
  nouveau/hmm: support mapping large sysmem pages
  hmm: add tests for HMM_PFN_COMPOUND flag
  mm/hmm: optimize migrate_vma_setup() for holes
  mm: support THP migration to device private memory
  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        | 177 +++++---
 drivers/gpu/drm/nouveau/nouveau_svm.c         | 241 +++++------
 drivers/gpu/drm/nouveau/nouveau_svm.h         |   3 +-
 .../gpu/drm/nouveau/nvkm/subdev/mmu/base.c    |   6 +-
 .../gpu/drm/nouveau/nvkm/subdev/mmu/priv.h    |   2 +
 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c |  10 +-
 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h |   3 -
 .../drm/nouveau/nvkm/subdev/mmu/vmmgp100.c    |  29 +-
 include/linux/gfp.h                           |  10 +
 include/linux/hmm.h                           |   4 +-
 include/linux/migrate.h                       |   1 +
 include/linux/mm.h                            |   1 +
 lib/test_hmm.c                                | 359 ++++++++++++----
 lib/test_hmm_uapi.h                           |   2 +
 mm/hmm.c                                      |  10 +-
 mm/huge_memory.c                              |  46 ++-
 mm/internal.h                                 |   1 -
 mm/memory.c                                   |  10 +-
 mm/memremap.c                                 |   9 +-
 mm/migrate.c                                  | 236 +++++++++--
 mm/page_alloc.c                               |   1 +
 tools/testing/selftests/vm/hmm-tests.c        | 388 +++++++++++++++++-
 22 files changed, 1203 insertions(+), 346 deletions(-)

-- 
2.20.1