Re: VM tuning

From: Andi Kleen (ak@suse.de)
Date: Fri Jun 09 2000 - 13:30:24 EST


On Fri, Jun 09, 2000 at 12:41:49PM -0400, Dennis wrote:
> So, how can linux be "tuned" to guarantee a preallocation of X number of
> buffers? Given an understanding of the queues in the machine, its not
> difficult to estimate. In 'BSD we can allocate 8000 buffers and limit the
> software so that memory will never be exhaused. Can this be done in linux?
> Memory is cheap, there is no reason for 500 or even 3000 buffers to cripple
> a router.

Increasing /proc/sys/vm/freepages. That'll keep more memory for interrupts.

-Andi.

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