doc: mptcp: sysctl: blackhole_timeout is per-netns

All other sysctl entries mention it, and it is a per-namespace sysctl.

So mention it as well.

Fixes: 27069e7cb3d1 ("mptcp: disable active MPTCP in case of blackhole")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst
index dc45c02113537b98dff76a6ed431c0449b5217f8..03e1d3610333e29423b0f40591c9e914dc2d0366 100644 (file)
--- a/Documentation/networking/mptcp-sysctl.rst
+++ b/Documentation/networking/mptcp-sysctl.rst
@@ -41,7 +41,7 @@ blackhole_timeout - INTEGER (seconds)
        MPTCP is re-enabled and will reset to the initial value when the
        blackhole issue goes away.
 
-       0 to disable the blackhole detection.
+       0 to disable the blackhole detection. This is a per-namespace sysctl.
 
        Default: 3600