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[v1,0/3] mm: minor cleanups around NUMA hinting

Message ID 20220825164659.89824-1-david@redhat.com (mailing list archive)
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Series mm: minor cleanups around NUMA hinting | expand

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David Hildenbrand Aug. 25, 2022, 4:46 p.m. UTC 
Working on some GUP cleanups (e.g., getting rid of some FOLL_ flags) and
preparing for other GUP changes (getting rid of FOLL_FORCE|FOLL_WRITE for
for taking a R/O longterm pin), this is something I can easily send out
independently.

Get rid of FOLL_NUMA, allow FOLL_FORCE access to PROT_NONE mapped pages
in GUP-fast, and fixup some documentation around NUMA hinting.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Xu <peterx@redhat.com>

David Hildenbrand (3):
  mm/gup: replace FOLL_NUMA by gup_can_follow_protnone()
  mm/gup: use gup_can_follow_protnone() also in GUP-fast
  mm: fixup documentation regarding pte_numa() and PROT_NUMA

 include/linux/mm.h       | 16 +++++++++++++++-
 include/linux/mm_types.h | 12 ++++++------
 mm/gup.c                 | 26 +++++---------------------
 mm/huge_memory.c         |  2 +-
 4 files changed, 27 insertions(+), 29 deletions(-)