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Date: Mon, 20 Jun 2011 18:08:10 +1000 From: Max Matveev <makc@...hat.com> To: linux-sctp@...r.kernel.org Cc: netdev@...r.kernel.org Subject: [PATCH v2 1/2] Update description of net.sctp.sctp_rmem and net.sctp.sctp_wmem tunables 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@...driver.com> Signed-off-by: Max Matveev <makc@...hat.com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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