[PATCHv4 0/3] mm/gup: fix omission of check on FOLL_LONGTERM in gup fast path

[Pingfan Liu]

These three patches have no dependency of each other, but related with the same purpose
to improve get_user_page_fast(), patch [2/3]. Put them together.

v3->v4:
  Place the check on FOLL_LONGTERM in gup_pte_range() instead of get_user_page_fast()

Cc: Ira Weiny <ira.weiny@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx>
Cc: Keith Busch <keith.busch@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx

Pingfan Liu (3):
  mm/gup: rename nr as nr_pinned in get_user_pages_fast()
  mm/gup: fix omission of check on FOLL_LONGTERM in gup fast path
  mm/gup_benchemark: add LONGTERM_BENCHMARK test in gup fast path

 mm/gup.c                                   | 46 +++++++++++++++++++++++-------
 mm/gup_benchmark.c                         | 11 +++++--
 tools/testing/selftests/vm/gup_benchmark.c | 10 +++++--
 3 files changed, 52 insertions(+), 15 deletions(-)

-- 
2.7.5