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SubjectRe: VM fixes [4/4]
On Fri, 24 Dec 2004 19:22:19 +0100
Andrea Arcangeli <andrea@suse.de> wrote:

> On Fri, Dec 24, 2004 at 10:01:47AM -0800, David S. Miller wrote:
> > On Fri, 24 Dec 2004 18:41:56 +0100
> > Andrea Arcangeli <andrea@suse.de> wrote:
> >
> > > + * All archs should support atomic ops with
> > > + * 1 byte granularity.
> > > + */
> > > + unsigned char memdie;
> >
> > Again, older Alpha's do not.
>
> If those old cpus really supported smp in linux, then fixing this bit is
> trivial, just change it to short. Do they support short at least?

No, they do not. The smallest atomic unit is one 32-bit word.
And yes there are SMP systems using these chips.
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