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SubjectRe: [RFC] Page table sharing

On Mon, 18 Feb 2002, Rik van Riel wrote:
> We'll need protection from the swapout code.

Absolutely NOT.

If the swapout code unshares or shares the PMD, that's a major bug.

The swapout code doesn't need to know one way or the other, because the
swapout code never actually touches the pmd itself, it just follows the
pointers - it doesn't ever need to worry about the pmd counts at all.


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