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SubjectRe: [PATCH 2/2] page table iterators
On Thu, Feb 24, 2005 at 11:33:50AM -0800, David S. Miller wrote:
> On Thu, 24 Feb 2005 11:58:42 +0000 (GMT)
> Hugh Dickins <hugh@veritas.com> wrote:
>
> > Has anyone _ever_ seen a p??_ERROR message?
>
> It triggers when you're writing new platform pagetable support
> or making drastric changes in same. But on sparc64 I've set
> them all to nops to make the code output smaller. :-)

I don't think it's useful except for early debugging.

Also at least on i386/x86-64 the CPU sets a bit in the page fault
handler when it encounters a corrupted page table. On x86-64
it is handled (not on i386)


-Andi
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