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Message-Id: <0ad4093257791efe9651303b91ece0de244aafa4.1658166896.git.lucien.xin@gmail.com> Date: Mon, 18 Jul 2022 13:54:56 -0400 From: Xin Long <lucien.xin@...il.com> To: network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org Cc: davem@...emloft.net, kuba@...nel.org, Marcelo Ricardo Leitner <marcelo.leitner@...il.com> Subject: [PATCH net] Documentation: fix sctp_wmem in ip-sysctl.rst Since commit 1033990ac5b2 ("sctp: implement memory accounting on tx path"), SCTP has supported memory accounting on tx path where 'sctp_wmem' is used by sk_wmem_schedule(). So we should fix the description for this option in ip-sysctl.rst accordingly. Fixes: 1033990ac5b2 ("sctp: implement memory accounting on tx path") Signed-off-by: Xin Long <lucien.xin@...il.com> --- Documentation/networking/ip-sysctl.rst | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index 0e58001f8580..b7db2e5e5cc5 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -2870,7 +2870,14 @@ sctp_rmem - vector of 3 INTEGERs: min, default, max Default: 4K sctp_wmem - vector of 3 INTEGERs: min, default, max - Currently this tunable has no effect. + Only the first value ("min") is used, "default" and "max" are + ignored. + + min: Minimal size of send buffer used by SCTP socket. + It is guaranteed to each SCTP socket (but not association) even + under moderate memory pressure. + + Default: 4K addr_scope_policy - INTEGER Control IPv4 address scoping - draft-stewart-tsvwg-sctp-ipv4-00 -- 2.31.1
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