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membarrier.2: Add ENOSYS error for 'nohz_full' CPU setting 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-05-22 14:46:23 +02:00
parent efaf088ef7
commit eddeadede6
1 changed files with 8 additions and 0 deletions
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man2/membarrier.2
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@ -146,6 +146,14 @@ is non-zero.
The
.BR membarrier ()
system call is not implemented by this kernel.
.TP
.BR ENOSYS " (since Linux 4.11)"
.\" 907565337ebf998a68cb5c5b2174ce5e5da065eb
The
.BR membarrier ()
system call is disabled because the
.I nohz_full
CPU parameter has been set.
.SH VERSIONS
The
.BR membarrier ()