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authorYuwei Wang <wangyuweihx@gmail.com>2022-06-29 11:48:32 +0300
committerPaolo Abeni <pabeni@redhat.com>2022-06-30 14:14:35 +0300
commit211da42eaa45db7b0edfde187dd88a85fbd466b5 (patch)
treec6ee46505746d9109d1e4aaff25c15a00b34da27 /Documentation
parentc381d02b2fd5f82d2207db1b9b25ff60d0d9c27c (diff)
downloadlinux-211da42eaa45db7b0edfde187dd88a85fbd466b5.tar.xz
net, neigh: introduce interval_probe_time_ms for periodic probe
commit ed6cd6a17896 ("net, neigh: Set lower cap for neigh_managed_work rearming") fixed a case when DELAY_PROBE_TIME is configured to 0, the processing of the system work queue hog CPU to 100%, and further more we should introduce a new option used by periodic probe Signed-off-by: Yuwei Wang <wangyuweihx@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/networking/ip-sysctl.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 9f41961d11d5..4c8bbf5acfd1 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -202,6 +202,12 @@ neigh/default/unres_qlen - INTEGER
Default: 101
+neigh/default/interval_probe_time_ms - INTEGER
+ The probe interval for neighbor entries with NTF_MANAGED flag,
+ the min value is 1.
+
+ Default: 5000
+
mtu_expires - INTEGER
Time, in seconds, that cached PMTU information is kept.