Re: VM tuning for Linux routers

Francois Romieu (romieu@cogenit.fr)
Tue, 20 Nov 2001 19:58:47 +0100

Bernd Eckenfels <ecki@lina.inka.de> :
> In article <20011118145400.A23181@se1.cogenit.fr> you wrote:
> >> You can increase the reserved free memory (not sure where to do this in
> > This reserve isn't dedicated to networking alas.
>
> But it is for atomic kernel memory requests, which happen to be caused by
> Interrupt handlers. On a Network loaded Box most of them are from the NICs.

The word "firewall" triggered the syslog activity led in my head. :o)

<grep, grep>
How would you do an estimate of the required memory for the whole
networking (GFP_ATOMIC is wildly used out of the irq handlers themselves) ?

-- 
Ueimor 
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