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    SubjectRe: please revert bogus patch to vmscan.c
    On Mon, 29 Oct 2001, Benjamin LaHaise wrote:
    > Think of CPUs with tagged tlbs and lots of entries. Or even a system that
    > only runs 1 threaded app. Easily triggerable. If people want to optimise
    > it, great. But go for correctness first, please...

    But was the original flush_tlb_page() fully correct? In i386 it's
    if (vma->vm_mm == current->active_mm)
    __flush_tlb_one(addr);
    without reference to whether vma->vm_mm is active on another cpu.

    Hugh

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