Messages in this thread | | | Date | Mon, 18 Feb 2002 17:48:11 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [RFC] Page table sharing |
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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.
Linus
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