[v2,00/13] Remove _folio_dtor and _folio_order

Message

Matthew Wilcox Aug. 16, 2023, 3:11 p.m. UTC

Well, this patch series has got completely out of hand.  What started
out as "Let's try to optimise the freeing path a bit" turned into
"Hey, I can free up an entire word in the first tail page", and
grew "Oh, while we're here, let's rename a bunch of things".

No detailed changelog from v1 because _so much_ changed.

Matthew Wilcox (Oracle) (13):
  io_uring: Stop calling free_compound_page()
  mm: Call free_huge_page() directly
  mm: Convert free_huge_page() to free_huge_folio()
  mm: Convert free_transhuge_folio() to folio_undo_large_rmappable()
  mm; Convert prep_transhuge_page() to folio_prep_large_rmappable()
  mm: Remove free_compound_page() and the compound_page_dtors array
  mm: Remove HUGETLB_PAGE_DTOR
  mm: Add large_rmappable page flag
  mm: Rearrange page flags
  mm: Free up a word in the first tail page
  mm: Remove folio_test_transhuge()
  mm: Add tail private fields to struct folio
  mm: Convert split_huge_pages_pid() to use a folio

 .../admin-guide/kdump/vmcoreinfo.rst          | 14 +--
 Documentation/mm/hugetlbfs_reserv.rst         | 14 +--
 .../zh_CN/mm/hugetlbfs_reserv.rst             |  4 +-
 include/linux/huge_mm.h                       |  6 +-
 include/linux/hugetlb.h                       |  3 +-
 include/linux/mm.h                            | 39 +-------
 include/linux/mm_types.h                      | 19 +++-
 include/linux/page-flags.h                    | 60 ++++++++----
 io_uring/io_uring.c                           |  6 +-
 io_uring/kbuf.c                               |  6 +-
 kernel/crash_core.c                           |  4 +-
 mm/huge_memory.c                              | 51 +++++-----
 mm/hugetlb.c                                  | 97 ++++++-------------
 mm/internal.h                                 |  5 +-
 mm/khugepaged.c                               |  2 +-
 mm/memcontrol.c                               |  2 +-
 mm/mempolicy.c                                | 15 +--
 mm/page_alloc.c                               | 41 +++-----
 18 files changed, 161 insertions(+), 227 deletions(-)