question concerning proper usage of kernel variables net.bpf.bufsize and vm_kmem_size_max

R. B. Riddick arne_woerner at
Wed Jul 26 07:27:55 UTC 2006

--- Raymond Owens <owensr at> wrote:
> Questions:
> Can VM_KMEM_SIZE_MAX be set manually with sysctl?
No, but you could set it with this procedure:
1. Insert the lines

2. reboot

That should change those values...
(see src/sys/kern/kern_malloc.c)

I wonder, why your box needs such a big buffer? Do u have network traffic
bursts or so?


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