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    SubjectRe: why DMAable memory restriction ?
    Date
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    > 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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