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authorTonghao Zhang <xiangxia.m.yue@gmail.com>2018-02-04 18:07:10 -0800
committerDavid S. Miller <davem@davemloft.net>2018-02-05 10:05:49 -0500
commita61a86f8db92923a2a4c857c49a795bcae754497 (patch)
treeec63a3235ba8602837393f3b24168ac3b2f8b19c /Documentation/networking
parenta6b88814ab541d386d793f6df260a3e4d5cccb11 (diff)
downloadlinux-a61a86f8db92923a2a4c857c49a795bcae754497.tar.bz2
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: bd68a2a854ad ("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>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 3f2c40d8e6aa..a553d4e4a0fb 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -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.