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SubjectRe: [RFC] Page table sharing
Date
On February 19, 2002 02:22 am, Rik van Riel wrote:
> 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.

It doesn't, at present. This needs to be addressed.

--
Daniel
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