[v1,0/6] Anon rmap cleanups

Message

David Hildenbrand Sept. 13, 2023, 12:51 p.m. UTC

Some cleanups around rmap for anon pages. I'm working on more cleanups
also around file rmap -- also to handle the "compound" parameter
internally only and to let hugetlb use page_add_file_rmap(), but these
changes make sense separately.

Cc: Andrew Morton <[e-mail]>
Cc: Mike Kravetz <[e-mail]>
Cc: Muchun Song <[e-mail]>

David Hildenbrand (6):
  mm/rmap: drop stale comment in page_add_anon_rmap and
    hugepage_add_anon_rmap()
  mm/rmap: move SetPageAnonExclusive out of __page_set_anon_rmap()
  mm/rmap: move folio_test_anon() check out of __folio_set_anon()
  mm/rmap: warn on new PTE-mapped folios in page_add_anon_rmap()
  mm/rmap: simplify PageAnonExclusive sanity checks when adding anon
    rmap
  mm/rmap: pass folio to hugepage_add_anon_rmap()

 include/linux/rmap.h |  2 +-
 mm/migrate.c         |  2 +-
 mm/rmap.c            | 79 +++++++++++++++++++++-----------------------
 3 files changed, 39 insertions(+), 44 deletions(-)