On Tue, 31 Oct 2000 around 08:59:53 -0500, Richard B. Johnson wrote:
[snip]
> Since Linux is starting to be used in many 'strange' non-desktop
> environments, maybe it's time to provide a hook to reserve the
> top N kilobytes of RAM for strange buffers. Like:
>
> append="..,reserve=2M".
>
> Upon startup, a pointer, valid when using the kernel DS, could be
> initialized to point to the beginning of this area. This is essentially
> zero overhead for the kernel because it just points to one longword
> greater than the RAM the kernel will use.
Please look at bigphysarea, it allocates a piece of meory at boottime
and has a small allocator over it to dispatch it to drivers. Mostly
video framegrabbers at this time... But the interface et all is there...
http://www.polyware.nl/~middelink/En/hob-v4l.html
Met vriendelijke groet,
Pauline Middelink
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For more details look at my website http://www.polyware.nl/~middelink
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