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    SubjectRe: mapping user space buffer to kernel address space

    On Fri, 20 Oct 2000, Andrea Arcangeli wrote:

    > On Thu, Oct 19, 2000 at 05:16:14PM -0400, Jeff Garzik wrote:
    > > solution is really elegant. Excluding all the debug code and assertions
    > > I stick in there, the guts of via audio mmap support went from ~50 lines
    > > to ~10.
    > Was it 50 lines with remap_page_range?

    You cannot use remap_page_range() if the pages aren't physically

    Face it, Andrea, remap_page_range() is a very limited hack that only works
    for a very limited subset of the things that real people want to do. It is
    _not_ a generic solution, while the nopage() approach _is_ generic.


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