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Date: Tue, 6 Dec 2011 14:26:09 +0800 From: Weiping Pan <panweiping3@...il.com> To: unlisted-recipients:; (no To-header on input) Cc: Weiping Pan <panweiping3@...il.com>, Randy Dunlap <rdunlap@...otime.net> (maintainer:DOCUMENTATION), "David S. Miller" <davem@...emloft.net> (commit_signer:11/16=69%), Eric Dumazet <eric.dumazet@...il.com> (commit_signer:3/16=19%), Shan Wei <shanwei@...fujitsu.com> (commit_signer:3/16=19%), Neil Horman <nhorman@...driver.com> (commit_signer:2/16=12%), Max Matveev <makc@...hat.com> (commit_signer:2/16=12%), linux-doc@...r.kernel.org (open list:DOCUMENTATION), linux-kernel@...r.kernel.org (open list) Subject: [PATCH net]ipv4:correct description for tcp_max_syn_backlog Since commit c5ed63d66f24(tcp: fix three tcp sysctls tuning), sysctl_max_syn_backlog is determined by tcp_hashinfo->ehash_mask, and the minimal value is 128, and it will increase in proportion to the memory of machine. The original description for tcp_max_syn_backlog has grammar error, and it is out of date. Signed-off-by: Weiping Pan <panweiping3@...il.com> --- Documentation/networking/ip-sysctl.txt | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index f049a1c..589f2da 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -282,11 +282,11 @@ tcp_max_ssthresh - INTEGER 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. - Default value is 1024 for systems with more than 128Mb of memory, - and 128 for low memory machines. If server suffers of overload, - try to increase this number. + Maximal number of remembered connection requests, which have not + received an acknowledgment from connecting client. + The minimal value is 128 for low memory machines, and it will + increase in proportion to the memory of machine. + If server suffers from overload, try increasing this number. tcp_max_tw_buckets - INTEGER Maximal number of timewait sockets held by system simultaneously. -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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