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    SubjectRe: %u-order allocation failed

    --On Sunday, 07 October, 2001 12:31 AM +0200 Mikulas Patocka
    <> wrote:

    > Sorry, but it can be triggered by _ANY_ VM since buddy allocator was
    > introduced.

    Just for info, this was circa 1.0.6 :-) (patches were available
    since And before it was introduced, rather a lot
    of other things would consistently fail, for instance anything
    that reassembled packets whose total size was >4k. And currently
    they still need that.

    Kernel memory is a limited resource. Contiguous kernel memory
    more so. Things that need it need to better deal with the
    lack of it, esp. in transient situations (such as by working
    round the absence of it, e.g. kiovec in net code, or by
    causing some freeing and retrying). And, when contiguous
    kernel memory is short, the allocator could do with some
    intelligent page freeing to reduce fragmentation.

    Alex Bligh
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