Messages in this thread | | | Date | Mon, 14 Nov 2005 14:25:35 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: Nick's core remove PageReserved broke vmware... |
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Quoting Hugh Dickins <hugh@veritas.com>: > 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?
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