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doc: Change the min default value of tcp_wmem/tcp_rmem.

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The SK_MEM_QUANTUM was changed from PAGE_SIZE to 4096. And the
tcp_wmem/tcp_rmem min default values are 4096.

Fixes: bd68a2a854 ("net: set SK_MEM_QUANTUM to 4096")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tonghao Zhang
2018-02-04 18:07:10 -08:00
committed by David S. Miller
parent a6b88814ab
commit a61a86f8db
1 changed files with 2 additions and 2 deletions
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4
Documentation/networking/ip-sysctl.txt
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@@ -508,7 +508,7 @@ tcp_rmem - vector of 3 INTEGERs: min, default, max
min: Minimal size of receive buffer used by TCP sockets. min: Minimal size of receive buffer used by TCP sockets.
It is guaranteed to each TCP socket, even under moderate memory It is guaranteed to each TCP socket, even under moderate memory
pressure. pressure.
Default: 1 page Default: 4K
default: initial size of receive buffer used by TCP sockets. default: initial size of receive buffer used by TCP sockets.
This value overrides net.core.rmem_default used by other protocols. This value overrides net.core.rmem_default used by other protocols.
@@ -667,7 +667,7 @@ tcp_window_scaling - BOOLEAN
tcp_wmem - vector of 3 INTEGERs: min, default, max tcp_wmem - vector of 3 INTEGERs: min, default, max
min: Amount of memory reserved for send buffers for TCP sockets. min: Amount of memory reserved for send buffers for TCP sockets.
Each TCP socket has rights to use it due to fact of its birth. Each TCP socket has rights to use it due to fact of its birth.
Default: 1 page Default: 4K
default: initial size of send buffer used by TCP sockets. This default: initial size of send buffer used by TCP sockets. This
value overrides net.core.wmem_default used by other protocols. value overrides net.core.wmem_default used by other protocols.