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pid_namespaces.7: The maximum nesting depth for PID namespaces is 32 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2017-04-17 09:33:05 +02:00
parent 96580790f7
commit fb509133db
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man7/pid_namespaces.7
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@ -146,6 +146,10 @@ or
.BR unshare (2).
PID namespaces thus form a tree,
with all namespaces ultimately tracing their ancestry to the root namespace.
Since Linux 3.7,
.\" commit f2302505775fd13ba93f034206f1e2a587017929
.\" The kernel constant MAX_PID_NS_LEVEL
the kernel limits the maximum nesting depth for PID namespaces to 32.
A process is visible to other processes in its PID namespace,
and to the processes in each direct ancestor PID namespace