[PATCH OLK-6.6 00/32] mm: page_alloc: freelist migratetype hygiene

2 Sep 2025


      Brendan Jackman (2):
  mm/page_alloc: clarify terminology in migratetype fallback code
  mm/page_alloc: clarify should_claim_block() commentary

David Hildenbrand (5):
  mm/page_isolation: don't pass gfp flags to isolate_single_pageblock()
  mm/page_alloc: make __alloc_contig_migrate_range() static
  mm/page_alloc: sort out the alloc_contig_range() gfp flags mess
  mm/page_alloc: forward the gfp flags from alloc_contig_range() to
    post_alloc_hook()
  mm/page_alloc: don't call pfn_to_page() on possibly non-existent PFN
    in split_large_buddy()

Huan Yang (1):
  mm: page_alloc: simpify page del and expand

Jinjiang Tu (1):
  mm: page_alloc: don't steal single pages from biggest buddy

Johannes Weiner (13):
  mm: page_alloc: remove pcppage migratetype caching
  mm: page_alloc: optimize free_unref_folios()
  mm: page_alloc: fix up block types when merging compatible blocks
  mm: page_alloc: move free pages when converting block during isolation
  mm: page_alloc: fix move_freepages_block() range error
  mm: page_alloc: fix freelist movement during block conversion
  mm: page_alloc: close migratetype race between freeing and stealing
  mm: page_isolation: prepare for hygienic freelists
  mm: page_alloc: consolidate free page accounting
  mm: page_alloc: batch vmstat updates in expand()
  mm: page_alloc: fix highatomic typing in multi-block buddies
  mm: page_alloc: remove remnants of unlocked migratetype updates
  mm: page_alloc: speed up fallbacks in rmqueue_bulk()

Kefeng Wang (1):
  mm: remove migration for HugePage in isolate_single_pageblock()

Kemeng Shi (2):
  mm/page_alloc: remove unnecessary check in break_down_buddy_pages
  mm/page_alloc: remove unnecessary next_page in break_down_buddy_pages

Luoxi Li (1):
  mm: remove unused has_isolate_pageblock

Vlastimil Babka (1):
  mm: page_alloc: change move_freepages() to __move_freepages_block()

Yajun Deng (1):
  mm: page_alloc: simplify __free_pages_ok()

Yu Zhao (2):
  mm/page_alloc: keep track of free highatomic
  mm/contig_alloc: support __GFP_COMP

Zi Yan (1):
  mm: page_alloc: set migratetype inside move_freepages()

gaoxiang17 (1):
  mm/page_alloc: add some detailed comments in can_steal_fallback

 include/linux/gfp.h            |   21 +
 include/linux/mm.h             |   18 +-
 include/linux/mmzone.h         |    2 +-
 include/linux/page-isolation.h |   13 +-
 include/linux/vmstat.h         |    8 -
 mm/compaction.c                |   45 +-
 mm/debug_page_alloc.c          |   12 +-
 mm/internal.h                  |   15 +-
 mm/page_alloc.c                | 1071 +++++++++++++++++++-------------
 mm/page_isolation.c            |  143 ++---
 10 files changed, 731 insertions(+), 617 deletions(-)

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2.43.0