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ioctl_userfaultfd.2: Minor fixes to Prakash Sangappa's patch 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-10-18 10:33:18 +02:00
parent 2c371032cf
commit 1df2779d72
1 changed files with 9 additions and 5 deletions
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14
man2/ioctl_userfaultfd.2
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@ -198,14 +198,18 @@ flag set,
and so on.
.TP
.B UFFD_FEATURE_SIGBUS
Since Linux 4.14, If this feature bit is set, no page-fault events
.B (UFFD_EVENT_PAGEFAULT)
will be delivered, instead a
.\" commit 2d6d6f5a09a96cc1fec7ed992b825e05f64cb50e
Since Linux 4.14.
If this feature bit is set, no page-fault events
.RB ( UFFD_EVENT_PAGEFAULT )
will be delivered.
Instead, a
.B SIGBUS
signal will be sent to the faulting process. Applications using this
signal will be sent to the faulting process.
Applications using this
feature will not require the use of a userfaultfd monitor for processing
memory accesses to the regions registered with userfaultfd.
.IP
.PP
The returned
.I ioctls
field can contain the following bits: