The description of PR_SET_PDEATHSIG refers to "maxsig", which is
apparently intended to stand for the maximum defined signal number.

maxsig seems not to be a thing, even in the kernel.

Reword to use the standard constant NSIG.  (Discussion of SIGRTMIN
and SIGRTMAX seems out of scope here, and anyway is not relevant to
the kernel.)

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
---
 man2/prctl.2 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/man2/prctl.2 b/man2/prctl.2
index a84fb1d..1e04859 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2

@@ -955,7 +955,9 @@ will operate in the privilege-restricting mode described above.
 .BR PR_SET_PDEATHSIG " (since Linux 2.1.57)"
 Set the parent-death signal
 of the calling process to \fIarg2\fP (either a signal value
-in the range 1..maxsig, or 0 to clear).
+in the range 1 ..
+.BR NSIG " \-"
+1, or 0 to clear).
 This is the signal that the calling process will get when its
 parent dies.
 .IP

-- 
2.1.4


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