pid_namespaces.7: Note that /proc/sys/kernel/ns_last_pid is virtualized per PID NS

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/pid_namespaces.7 b/man7/pid_namespaces.7
index d7dc9e1dd84d52fd0ac1209cb9538e204c1c254e..1cea76fc929c2ba63c249946c979cfda5f0a69a4 100644 (file)
--- a/man7/pid_namespaces.7
+++ b/man7/pid_namespaces.7
@@ -362,7 +362,9 @@ when a process wants to discover its PID in other namespaces.
 .TP
 .BR /proc/sys/kernel/ns_last_pid " (since Linux 3.3)"
 .\" commit b8f566b04d3cddd192cfd2418ae6d54ac6353792
-This file displays the last PID that was allocated in this PID namespace.
+This file
+(which is virtualized per PID namespace)
+displays the last PID that was allocated in this PID namespace.
 When the next PID is allocated,
 the kernel will search for the lowest unallocated PID
 that is greater than this value,