ipv4: add kernel parameter tcpmhash_entries
This patch also adds a reference to ip-sysctl.txt
where TCP metrics setup is described
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4c81a86..e8066db 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3412,6 +3412,13 @@
neutralize any effect of /proc/sys/kernel/sysrq.
Useful for debugging.
+ tcpmhash_entries= [KNL,NET]
+ Set the number of tcp_metrics_hash slots.
+ Default value is 8192 or 16384 depending on total
+ ram pages. This is used to specify the TCP metrics
+ cache size. See Documentation/networking/ip-sysctl.txt
+ "tcp_no_metrics_save" section for more details.
+
tdfx= [HW,DRM]
test_suspend= [SUSPEND][,N]