Re: Nick's core remove PageReserved broke vmware...

[Michael S. Tsirkin]

Quoting Hugh Dickins <hugh@xxxxxxxxxxx>:
> Subject: Re: Nick's core remove PageReserved broke vmware...
> 
> On Tue, 8 Nov 2005, Michael S. Tsirkin wrote:
> > 
> > Hugh, did you have something like the following in mind
> > (this is only boot-tested and only on x86-64)?
> 
> Yes, that looks pretty good to me, a few comments below.
> Only another twenty or so architectures to go ;)

There's one thing that I have thought about: what happens
if I set DONTFORK on a page which already has COW set
(e.g. after fork)?

It seems that the right thing would be to force a page copy -
otherwise the page can get copied on write.

Makes sense?

-- 
MST
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