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authorEric Biggers <ebiggers@google.com>2018-02-01 01:19:48 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-01 02:18:39 +0100
commit284cd241a18ee6d999296f8ff3104eb6d2fc898f (patch)
tree001b843c3d63357e0a6a7dbb95192bd5feba116d /mm/vmscan.c
parentmemfd-test: run fuse test on hugetlb backend memory (diff)
downloadlinux-284cd241a18ee6d999296f8ff3104eb6d2fc898f.tar.xz
linux-284cd241a18ee6d999296f8ff3104eb6d2fc898f.zip
userfaultfd: convert to use anon_inode_getfd()
Nothing actually calls userfaultfd_file_create() besides the userfaultfd() system call itself. So simplify things by folding it into the system call and using anon_inode_getfd() instead of anon_inode_getfile(). Do the same in resolve_userfault_fork() as well. This removes over 50 lines with no change in functionality. Link: http://lkml.kernel.org/r/20171229212403.22800-1-ebiggers3@gmail.com Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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