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-rw-r--r--Documentation/networking/ip-sysctl.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index d84932650fd3..c7712787933c 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -27,6 +27,12 @@ min_adv_mss - INTEGER
The advertised MSS depends on the first hop route MTU, but will
never be lower than this setting.
+rt_cache_rebuild_count - INTEGER
+ The per net-namespace route cache emergency rebuild threshold.
+ Any net-namespace having its route cache rebuilt due to
+ a hash bucket chain being too long more than this many times
+ will have its route caching disabled
+
IP Fragmentation:
ipfrag_high_thresh - INTEGER