diff options
Diffstat (limited to 'man7/tcp.7')
| -rw-r--r-- | man7/tcp.7 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/man7/tcp.7 b/man7/tcp.7 index 5723bde26c..794c636d65 100644 --- a/man7/tcp.7 +++ b/man7/tcp.7 @@ -530,12 +530,16 @@ The default value of 256 is increased to 1024 when the memory present in the system is adequate or greater (>= 128Mb), and reduced to 128 for those systems with very low memory (<= 32Mb). -It is recommended that if this -needs to be increased above 1024, TCP_SYNQ_HSIZE in + +Prior to Linux 2.6.20, +.\" commit 72a3effaf633bcae9034b7e176bdbd78d64a71db +it was recommended that if this needed to be increased above 1024, +the size of the SYNACK hash table (TCP_SYNQ_HSIZE) in .I include/net/tcp.h be modified to keep TCP_SYNQ_HSIZE*16<=tcp_max_syn_backlog, and the kernel be -recompiled. +recompiled. In Linux 2.6.20, the fixed sized TCP_SYNQ_HSIZE was removed +in favour of dynamic sizing. .TP .IR tcp_max_tw_buckets " (integer; default: see below; since Linux 2.4)" .\" Since 2.3.41 |