[v3,0/5] Fix some cache flush bugs

Message

Muchun Song Jan. 31, 2022, 4:02 p.m. UTC

This series focus on fixing cache maintenance.

v3:
  - Collect Reviewed-by tag from Zi Yan.
  - Fix hugetlb cache maintenance.

v2:
  - Collect Reviewed-by tag from Zi Yan.
  - Using a for loop instead of the folio variant for backportability.

Muchun Song (5):
  mm: thp: fix wrong cache flush in remove_migration_pmd()
  mm: fix missing cache flush for all tail pages of compound page
  mm: hugetlb: fix missing cache flush in copy_huge_page_from_user()
  mm: hugetlb: fix missing cache flush in hugetlb_mcopy_atomic_pte()
  mm: replace multiple dcache flush with flush_dcache_folio()

 mm/huge_memory.c | 3 ++-
 mm/hugetlb.c     | 1 +
 mm/memory.c      | 2 ++
 mm/migrate.c     | 3 +--
 4 files changed, 6 insertions(+), 3 deletions(-)