linux-kernel - [PATCHv4 0/3] mm/gup: fix omission of check on FOLL

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Date:   Thu, 13 Jun 2019 18:44:59 +0800
From:   Pingfan Liu <kernelfans@...il.com>
To:     linux-mm@...ck.org
Cc:     Pingfan Liu <kernelfans@...il.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Matthew Wilcox <willy@...radead.org>,
        John Hubbard <jhubbard@...dia.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Keith Busch <keith.busch@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org
Subject: [PATCHv4 0/3] mm/gup: fix omission of check on FOLL_LONGTERM in gup fast path

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@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mike Rapoport <rppt@...ux.ibm.com>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Matthew Wilcox <willy@...radead.org>
Cc: John Hubbard <jhubbard@...dia.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>
Cc: Keith Busch <keith.busch@...el.com>
Cc: Christoph Hellwig <hch@...radead.org>
Cc: Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org

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