New subject: [PATCH OLK-6.6 01/49] mm/khugepaged: convert __collapse_huge_page_isolate() to use folios

28 Mar 2024


      The rmap interface overhaul is to speeds up the folio operations.

David Hildenbrand (43):
  mm/rmap: rename hugepage_add* to hugetlb_add*
  mm/rmap: introduce and use hugetlb_remove_rmap()
  mm/rmap: introduce and use hugetlb_add_file_rmap()
  mm/rmap: introduce and use hugetlb_try_dup_anon_rmap()
  mm/rmap: introduce and use hugetlb_try_share_anon_rmap()
  mm/rmap: add hugetlb sanity checks for anon rmap handling
  mm/rmap: convert folio_add_file_rmap_range() into
    folio_add_file_rmap_[pte|ptes|pmd]()
  mm/memory: page_add_file_rmap() -> folio_add_file_rmap_[pte|pmd]()
  mm/huge_memory: page_add_file_rmap() -> folio_add_file_rmap_pmd()
  mm/migrate: page_add_file_rmap() -> folio_add_file_rmap_pte()
  mm/userfaultfd: page_add_file_rmap() -> folio_add_file_rmap_pte()
  mm/rmap: remove page_add_file_rmap()
  mm/rmap: factor out adding folio mappings into __folio_add_rmap()
  mm/rmap: introduce folio_add_anon_rmap_[pte|ptes|pmd]()
  mm/huge_memory: batch rmap operations in __split_huge_pmd_locked()
  mm/huge_memory: page_add_anon_rmap() -> folio_add_anon_rmap_pmd()
  mm/migrate: page_add_anon_rmap() -> folio_add_anon_rmap_pte()
  mm/ksm: page_add_anon_rmap() -> folio_add_anon_rmap_pte()
  mm/swapfile: page_add_anon_rmap() -> folio_add_anon_rmap_pte()
  mm/memory: page_add_anon_rmap() -> folio_add_anon_rmap_pte()
  mm/rmap: remove page_add_anon_rmap()
  mm/rmap: remove RMAP_COMPOUND
  mm/rmap: introduce folio_remove_rmap_[pte|ptes|pmd]()
  kernel/events/uprobes: page_remove_rmap() -> folio_remove_rmap_pte()
  mm/huge_memory: page_remove_rmap() -> folio_remove_rmap_pmd()
  mm/khugepaged: page_remove_rmap() -> folio_remove_rmap_pte()
  mm/ksm: page_remove_rmap() -> folio_remove_rmap_pte()
  mm/memory: page_remove_rmap() -> folio_remove_rmap_pte()
  mm/migrate_device: page_remove_rmap() -> folio_remove_rmap_pte()
  mm/rmap: page_remove_rmap() -> folio_remove_rmap_pte()
  Documentation: stop referring to page_remove_rmap()
  mm/rmap: remove page_remove_rmap()
  mm/rmap: convert page_dup_file_rmap() to
    folio_dup_file_rmap_[pte|ptes|pmd]()
  mm/rmap: introduce folio_try_dup_anon_rmap_[pte|ptes|pmd]()
  mm/huge_memory: page_try_dup_anon_rmap() ->
    folio_try_dup_anon_rmap_pmd()
  mm/memory: page_try_dup_anon_rmap() -> folio_try_dup_anon_rmap_pte()
  mm/rmap: remove page_try_dup_anon_rmap()
  mm: convert page_try_share_anon_rmap() to
    folio_try_share_anon_rmap_[pte|pmd]()
  mm/rmap: rename COMPOUND_MAPPED to ENTIRELY_MAPPED
  mm: remove one last reference to page_add_*_rmap()
  mm/rmap: silence VM_WARN_ON_FOLIO() in __folio_rmap_sanity_checks()
  mm/huge_memory: fix folio_set_dirty() vs. folio_mark_dirty()
  mm/memory: fix folio_set_dirty() vs. folio_mark_dirty() in
    zap_pte_range()

Kefeng Wang (1):
  mm: userswap: page_remove_rmap() -> folio_remove_rmap_pte()

Vishal Moola (Oracle) (5):
  mm/khugepaged: convert __collapse_huge_page_isolate() to use folios
  mm/khugepaged: convert hpage_collapse_scan_pmd() to use folios
  mm/khugepaged: convert is_refcount_suitable() to use folios
  mm/khugepaged: convert alloc_charge_hpage() to use folios
  mm/khugepaged: convert collapse_pte_mapped_thp() to use folios

 Documentation/mm/transhuge.rst       |   4 +-
 Documentation/mm/unevictable-lru.rst |   4 +-
 include/linux/memcontrol.h           |  14 -
 include/linux/mm.h                   |   6 +-
 include/linux/rmap.h                 | 404 ++++++++++++++++++++-----
 kernel/events/uprobes.c              |   2 +-
 mm/filemap.c                         |  10 +-
 mm/gup.c                             |   2 +-
 mm/huge_memory.c                     |  85 +++---
 mm/hugetlb.c                         |  21 +-
 mm/internal.h                        |  14 +-
 mm/khugepaged.c                      | 154 +++++-----
 mm/ksm.c                             |  15 +-
 mm/memory-failure.c                  |   4 +-
 mm/memory.c                          |  60 ++--
 mm/migrate.c                         |  12 +-
 mm/migrate_device.c                  |  41 +--
 mm/mmu_gather.c                      |   2 +-
 mm/rmap.c                            | 433 ++++++++++++++++-----------
 mm/swapfile.c                        |   2 +-
 mm/userfaultfd.c                     |   2 +-
 mm/userswap.c                        |   2 +-
 22 files changed, 815 insertions(+), 478 deletions(-)

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2.27.0

[PATCH OLK-6.6 v2 00/49] mm: backport rmap interface overhaul

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participants (2)