> In the linux kernel there is a limitation on the
> amount of contiguous DMAable memory that can be allocated
> (I guess about 128K). Does anobody know what is the reason
128K or so , if you are lucky.
> for such a restriction ? Is there any plan to remove
Because the pages are contiguous so you have to find a suitable sized piece
of free memory
> this restriction in the future releases of kernel ?
Nope. 2.4 adds bootmem though so badly designed hardware that is compiled in
can grab memory early in biggish chunks.
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This archive was generated by hypermail 2b29 : Wed May 23 2001 - 21:00:48 EST