Commit a61a86f8 authored by Tonghao Zhang's avatar Tonghao Zhang Committed by David S. Miller
Browse files

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



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

Fixes: bd68a2a8 ("net: set SK_MEM_QUANTUM to 4096")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: default avatarTonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a6b88814

Documentation/networking/ip-sysctl.txt

+2 −2
Original line number Diff line number Diff line
@@ -508,7 +508,7 @@ tcp_rmem - vector of 3 INTEGERs: min, default, max 
	min: Minimal size of receive buffer used by TCP sockets.

	It is guaranteed to each TCP socket, even under moderate memory

	pressure.

	Default: 1 page

	Default: 4K



	default: initial size of receive buffer used by TCP sockets.

	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

	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.

	Default: 1 page

	Default: 4K



	default: initial size of send buffer used by TCP sockets.  This

	value overrides net.core.wmem_default used by other protocols.

CRA Git | Maintained and supported by SUSTech CRA and CCSE