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| author | Len Brown <len.brown@intel.com> | 2011-03-23 09:34:54 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-03-23 09:34:54 +0300 |
| commit | 02e2407858fd62053bf60349c0e72cd1c7a4a60e (patch) | |
| tree | 0ebdbddc97d3abbc675916010e7771065b70c137 /Documentation/networking/ip-sysctl.txt | |
| parent | 96e1c408ea8a556c5b51e0e7d56bd2afbfbf5fe9 (diff) | |
| parent | 6447f55da90b77faec1697d499ed7986bb4f6de6 (diff) | |
| download | linux-02e2407858fd62053bf60349c0e72cd1c7a4a60e.tar.xz | |
Merge branch 'linus' into release
Conflicts:
arch/x86/kernel/acpi/sleep.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ac3b4a726a1a..d3d653a5f9b9 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -280,6 +280,17 @@ tcp_max_orphans - INTEGER more aggressively. Let me to remind again: each orphan eats up to ~64K of unswappable memory. +tcp_max_ssthresh - INTEGER + Limited Slow-Start for TCP with large congestion windows (cwnd) defined in + RFC3742. Limited slow-start is a mechanism to limit growth of the cwnd + on the region where cwnd is larger than tcp_max_ssthresh. TCP increases cwnd + by at most tcp_max_ssthresh segments, and by at least tcp_max_ssthresh/2 + segments per RTT when the cwnd is above tcp_max_ssthresh. + If TCP connection increased cwnd to thousands (or tens of thousands) segments, + and thousands of packets were being dropped during slow-start, you can set + tcp_max_ssthresh to improve performance for new TCP connection. + Default: 0 (off) + tcp_max_syn_backlog - INTEGER Maximal number of remembered connection requests, which are still did not receive an acknowledgment from connecting client. |