Messages in this thread |  | | Date | Tue, 31 Oct 2000 16:57:02 +0100 | From | Pauline Middelink <> | Subject | Re: kmalloc() allocation. |
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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 -- PGP Key fingerprint = DE 6B D0 D9 19 AD A7 A0 58 A3 06 9D B6 34 39 E2 For more details look at my website http://www.polyware.nl/~middelink - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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