On Fri, 28 Apr 2000 around 13:58:18 -0500, Mr. Berkley Shands wrote:
> [1.] One line summary of the problem:
> Kernel does not allocate large enough memory blocks
>
> [2.] Full description of the problem/report:
> on big machines (> 256mb RAM), there is sometimes a need to
> allocate large chunks of contiguous memory
> (gigabit network cards, etc) a 1.2Gb/sec network card
> can hit the PCI bus at 95-107 MByte/sec. a 768 MB P3-600
> can buffer up to 6 seconds of data :-) Really now,
> a 256K buffer will not handle that data rate. Make it reasonable
> at 2MBytes.
Use the bigphysarea patch. Fragmentation prevents large objects to
exist very long after booting.
You can find a copy at
http://www.polyware.nl/~middelink/En/hob-v4l.html
Met vriendelijke groet,
Pauline Middelink
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