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SubjectRe: [RFC] Page table sharing
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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