sctp does not use second and third ("default" and "max") values
of sctp_rmem tunable. The format is the same as tcp_rmem
but the meaning is different so make the documentation explicit to
avoid confusion.
sctp_wmem is not used at all.
Acked-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
Signed-off-by: Max Matveev <makc@xxxxxxxxxx>
---
Documentation/networking/ip-sysctl.txt | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index d3d653a..ce09f83 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1465,10 +1465,17 @@ sctp_mem - vector of 3 INTEGERs: min, pressure, max
Default is calculated at boot time from amount of available memory.
sctp_rmem - vector of 3 INTEGERs: min, default, max
- See tcp_rmem for a description.
+ Only the first value ("min") is used, "default" and "max" are
+ ignored.
+
+ min: Minimal size of receive buffer used by SCTP socket.
+ It is guaranteed to each SCTP socket (but not association) even
+ under moderate memory pressure.
+
+ Default: 1 page
sctp_wmem - vector of 3 INTEGERs: min, default, max
- See tcp_wmem for a description.
+ Currently this tunable has no effect.
addr_scope_policy - INTEGER
Control IPv4 address scoping - draft-stewart-tsvwg-sctp-ipv4-00
--
1.7.3.3
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