[PATCH 0/7] Switch x86 to generic get_user_pages_fast() implementation

[Kirill A. Shutemov]

Hi,

The patcheset generalize mm/gup.c implementation of get_user_pages_fast()
to be usable for x86 and switches x86 over.

Please review and consider applying.

Kirill A. Shutemov (7):
  mm: Drop arch_pte_access_permitted() mmu hook
  mm/gup: Move permission checks into helpers
  mm/gup: Move page table entry dereference into helper
  mm/gup: Make pages referenced during generic get_user_pages_fast()
  mm/gup: Implement dev_pagemap logic in generic get_user_pages_fast()
  mm/gup: Provide hook to check if __GUP_fast() is allowed for the range
  x86/mm: Switch to generic get_user_page_fast() implementation

 arch/powerpc/include/asm/mmu_context.h   |   6 -
 arch/s390/include/asm/mmu_context.h      |   6 -
 arch/um/include/asm/mmu_context.h        |   6 -
 arch/unicore32/include/asm/mmu_context.h |   6 -
 arch/x86/Kconfig                         |   3 +
 arch/x86/include/asm/mmu_context.h       |  16 -
 arch/x86/include/asm/pgtable-3level.h    |  45 +++
 arch/x86/include/asm/pgtable.h           |  53 ++++
 arch/x86/include/asm/pgtable_64.h        |  16 +-
 arch/x86/mm/Makefile                     |   2 +-
 arch/x86/mm/gup.c                        | 496 -------------------------------
 include/asm-generic/mm_hooks.h           |   6 -
 include/asm-generic/pgtable.h            |  25 ++
 include/linux/mm.h                       |   4 +
 mm/gup.c                                 | 134 +++++++--
 15 files changed, 262 insertions(+), 562 deletions(-)
 delete mode 100644 arch/x86/mm/gup.c

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2.11.0