Signed-off-by: Mike Rapoport <r...@linux.vnet.ibm.com> --- man2/ioctl_userfaultfd.2 | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2 index 889feb9..6edd396 100644 --- a/man2/ioctl_userfaultfd.2 +++ b/man2/ioctl_userfaultfd.2 @@ -181,8 +181,17 @@ virtual memory areas .TP .B UFFD_FEATURE_MISSING_SHMEM If this feature bit is set, -the kernel supports registering userfaultfd ranges on tmpfs -virtual memory areas +the kernel supports registering userfaultfd ranges on shared memory areas. +This includes all kernel shared memory APIs: +System V shared memory, +tmpfs, +/dev/zero, +.BR mmap(2) +with +.I MAP_SHARED +flag set, +.BR memfd_create (2), +etc. The returned .I ioctls -- 1.9.1
