Messages in this thread | | | Date | Mon, 18 Feb 2002 22:22:44 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: [RFC] Page table sharing |
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On Mon, 18 Feb 2002, Linus Torvalds wrote: > On Tue, 19 Feb 2002, Daniel Phillips wrote: > > > > Thanks, here it is again. > > Daniel, there's something wrong in the locking.
> Does anybody see any reason why this doesn't work totally without the > lock?
We'll need protection from the swapout code. It would be embarassing if the page fault handler would run for one mm while kswapd was holding the page_table_lock for another mm.
I'm not sure how the page_table_share_lock is supposed to fix that one, though.
regards,
Rik -- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" document
http://www.surriel.com/ http://distro.conectiva.com/
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