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Re: Bug-hunting

To: Christian Schmid <webmaster@xxxxxxxxxxxxxx>
Subject: Re: Bug-hunting
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Tue, 22 Feb 2005 10:44:48 -0800
Cc: netdev@xxxxxxxxxxx
In-reply-to: <421B4AB7.9030003@xxxxxxxxxxxxxx>
References: <421B4AB7.9030003@xxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Tue, 22 Feb 2005 16:07:35 +0100
Christian Schmid <webmaster@xxxxxxxxxxxxxx> wrote:

> I am still trying to hunt down the bug with the slowdown-on-many-sockets. Is 
> there any way I can see 
> how much tcp-memory is used right now? Why did you change the behaviour? In 
> 2.6.10-rc2 I was able to 
> see the amount by looking in slabinfo but now the buffers are gone. And where 
> did you introduce the 
> buffer-limit? It seems its now globally limited to xxx MB. I want to disable 
> this in order to check 
> if thats the reason.

The global TCP memory limit, controllable by sysctl()'s, has been there for
at least 3 years.

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