| To: | ralf@cobaltmicro.com |
|---|---|
| Subject: | Re: Page Colouring |
| From: | "David S. Miller" <davem@jenolan.rutgers.edu> |
| Date: | Sat, 18 Oct 1997 15:44:09 -0400 |
| Cc: | markhe@nextd.demon.co.uk, linux-kernel@vger.rutgers.edu, linux@cthulhu.engr.sgi.com |
| In-reply-to: | <19971018051839.32034@tbird.cobaltmicro.com> (message from Ralf Baechle on Sat, 18 Oct 1997 05:18:39 -0700) |
| Sender: | owner-linux@cthulhu.engr.sgi.com |
We could pull this off, and I've been keeping this very issue in the
back of my head as I hack on Mark Hemment's changes.
Essentially you'd have to pass into the page allocation the
destination virtual address. Then in the coloured allocator we put a
macro which can be defined to zero on sane architectures.
if(page_color_verify(phys_page, virt_page)) {
free_page(phys_page);
goto repeat;
}
Something like this, don't worry I'm thinking about it.
Later,
David "Sparc" Miller
davem@caip.rutgers.edu
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