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prctl(2): PR_SET_MM: Document arg4/arg5 zero behavior 

The kernel will immediately reject calls where arg4/arg5 are not
zero.  See kernel/sys.c:prctl_set_mm().

Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Mike Frysinger 2017-02-15 15:14:41 -05:00 committed by Michael Kerrisk
parent d983a4c854
commit a87d0921a7
1 changed files with 5 additions and 0 deletions
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man2/prctl.2
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@ -534,6 +534,11 @@ The value in
is one of the options below, while
.I arg3
provides a new value for the option.
The
.I arg4
and
.I arg5
arguments must be zero if unused.
.RS
.TP
.BR PR_SET_MM_START_CODE