Messages in this thread | | | Date | Thu, 23 Apr 1998 19:30:22 +0200 | From | Alessandro Rubini <> | Subject | Re: bigphysarea in 2.2 |
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> But it seems from recent discussions that a lobbying > group tries to incorporate it in the mainstream kernel. ;) I vote for > it, as this patch is more and more necessary (and because it seems to be > _the_ solution for big allocations).
IMHO, big allocation are quite special needs. If the bigphysarea approach has something bad, I'd keep it out of the mainstream sources. However, I never looked in it -- my fault.
In my own drivers (GPL'd modules, not in the kernel tarball) I ask the user to specify "mem=31M" to reserve the top 1M of RAM for DMA. This way I can have a 100MB buffer on a 128MB box without any trouble nor kernel patching. I think this is the best solution to the problem. Sure I can be wrong
/alessandro
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