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    SubjectRe: top stack (l)users for 2.5.69
    Date
    On Wednesday 07 May 2003 12:13, Jonathan Lundell wrote:
    [snip]
    > One thing that would help (aside from separate interrupt stacks)
    > would be a guard page below the stack. That wouldn't require any
    > physical memory to be reserved, and would provide positive indication
    > of stack overflow without significant runtime overhead.

    It does take up a page table entry, which may also be in short supply
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