[PATCH 0/2] userfaultfd: handle few NULL check inline

[Jinjie Ruan]

Handle dup_userfaultfd() and anon_vma_fork() NULL check inline to
save some function call overhead. The Unixbench single core process
create has 1% improve with these patches.

Jinjie Ruan (2):
  userfaultfd: handle dup_userfaultfd() NULL check inline
  mm, rmap: handle anon_vma_fork() NULL check inline

 fs/userfaultfd.c              |  5 +----
 include/linux/rmap.h          | 12 +++++++++++-
 include/linux/userfaultfd_k.h | 11 ++++++++++-
 mm/rmap.c                     |  6 +-----
 4 files changed, 23 insertions(+), 11 deletions(-)

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2.34.1