[PATCH v4 0/4] Let unmap_hugepage_range() and several related functions to take folio instead of page

[nifan.cxl@gmail.com]

From: Fan Ni <fan.ni@samsung.com>

Changes compared to v3:

Patch 1: 
1) Pick up tags;
2) Reword the commit message a little bit based on feedback;

Patch 2:
1) Pick up tags;

Patch 3:
1) Pick up tags;
2) Update the comment to reflect the use of folio instead of page 
in __unmap_hugepage_range;

Patch 4:
1) Pick up tags;
2) Move folio_provided definition up in the function as suggested;

v3: https://lore.kernel.org/linux-mm/63aec3cb-60a8-4f30-9b12-3ee19c6c14f3@redhat.com/T/#mbbe1f5bdfcf3a70e6b2b1dfba9af35110a5065ec

--------------------------------------------------------------
Cover letter from v3:

[PATCH v3 0/4] mm/hugetlb: Let unmap_hugepage_range() and

From: Fan Ni <fan.ni@samsung.com>

Changes compared to v2,

Patch 1: 
1) Update the commit log subject; 
2) Use &folio->page instead of folio_page(folio) in unmap_ref_private()
  when calling unmap_hugepage_range();

Patch 2:
1) Update the declaration of unmap_hugepage_range() in hugetlb.h;
2) Use &folio->page instead of folio_page(folio) in unmap_hugepage_range()
  when calling __unmap_hugepage_range();

Patch 3: 
1) Update the declaration of __unmap_hugepage_range() in hugetlb.h;
2) Rename ref_folio to folio;
3) compare folio instead of page in __unmap_hugepage_range() when folio is
  provided when calling __unmap_hugepage_range();

Patch 4:
1) Pass folio size instead of huge_page_size() when calling
  tlb_remove_page_size() by Matthew;
2) Update the processing inside __unmap_hugepage_range() when folio
  is provided as sugguested by David Hildenbrand;
3) Since there is some functional change in this patch, we do not pick up the
  tags;

v2:
https://lore.kernel.org/linux-mm/20250418170834.248318-2-nifan.cxl@gmail.com
--------------------------------------------------------------

Fan Ni (4):
  mm/hugetlb: Pass folio instead of page to unmap_ref_private()
  mm/hugetlb: Refactor unmap_hugepage_range() to take folio instead of
    page
  mm/hugetlb: Refactor __unmap_hugepage_range() to take folio instead of
    page
  mm/hugetlb: Convert use of struct page to folio in
    __unmap_hugepage_range()

 include/linux/hugetlb.h |  8 +++----
 mm/hugetlb.c            | 47 ++++++++++++++++++++++-------------------
 2 files changed, 29 insertions(+), 26 deletions(-)

-- 
2.47.2