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    SubjectRe: stack overruns [was: Re: "Please HELP"-crash]
    On Sun, Apr 25, 1999 at 06:00:09PM +0100, Alan Cox wrote:

    > > 1) at system startup one huge block (16 kB per task slot, (8 kB stack +
    > > 8 kB guard pages)) is vm_alloc'ed. The area must be 8 kB aligned.
    >
    > You can't vmalloc the stack without changing drivers that assume the stack
    > is DMAable. Thats a 2.3.x thing but yes.

    Which drivers? For machines without hardware cache coherence this is
    plain a bug.

    Ralf

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