2014-11-06 18:47:02

by Fabian Frédérick

Subject: [PATCH V2 linux-next] 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 <[email protected]>
---
V2: Add a reference to ip-sysctl and update description.
(suggested by Jonathan Corbet).

Documentation/kernel-parameters.txt | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3c5a178..e8b25d0 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3434,6 +3434,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
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]
--
1.9.1

2014-11-06 20:13:46

by Jonathan Corbet

Subject: Re: [PATCH V2 linux-next] ipv4: add kernel parameter tcpmhash_entries

On Thu, 6 Nov 2014 19:46:50 +0100
Fabian Frederick <[email protected]> wrote:

> This patch also adds a reference to ip-sysctl.txt
> where TCP metrics setup is described

Applied to the docs tree, thanks.

jon