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

Subsystems: documentation, networking [general], the rest

STALE3142d

2 messages, 2 authors, 2018-02-05 · open the first message on its own page

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

From: Tonghao Zhang <hidden>
Date: 2018-02-05 02:07:21

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 <redacted>
---
 Documentation/networking/ip-sysctl.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 3f2c40d..a553d4e 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.
-- 
1.8.3.1

Re: [PATCH] doc: Change the min default value of tcp_wmem/tcp_rmem.

From: David Miller <davem@davemloft.net>
Date: 2018-02-05 15:06:41

From: Tonghao Zhang <redacted>
Date: Sun,  4 Feb 2018 18:07:10 -0800
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 <redacted>
Applied, thanks.
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