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userfaultfd.2: Add EPERM error 

Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Yang Xu 2019-12-18 14:13:07 +08:00 committed by Michael Kerrisk
parent f7eff3e7e0
commit 339b899c4c
1 changed files with 5 additions and 0 deletions
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man2/userfaultfd.2
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@ -440,6 +440,11 @@ reached.
.TP
.B ENOMEM
Insufficient kernel memory was available.
.TP
.B EPERM
Unprivileged user(without SYS_CAP_PTRACE capability) uses this call when
set unprivileged_userfaultfd to 0. It was introduced since Linux 5.2.
.\" cefdca0a86be517bc390fc4541e3674b8e7803b0
.SH VERSIONS
The
.BR userfaultfd ()