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SubjectRe: [PATCH] Use MPOL_INTERLEAVE for tmpfs files
On Wed, Nov 03, 2004 at 08:44:32AM +0000, Hugh Dickins wrote:
> On Tue, 2 Nov 2004, Martin J. Bligh wrote:
> >
> > Another way might be a tmpfs mount option ... I'd prefer that to a sysctl
> > personally, but maybe others wouldn't. Hugh, is that nuts?
>
> Only nuts if I am, I was going to suggest the same: the sysctl idea seems
> very inadequate; a mount option at least allows the possibility of having
> different tmpfs files allocated with different policies at the same time.
>
> But I'm not usually qualified to comment on NUMA matters, and my tmpfs
> maintenance shouldn't be allowed to get in the way of progress. Plus
> I've barely been attending in recent days: back to normality tomorrow.

If you want to go more finegraid then you can always use numactl
or even libnuma in the application. For a quick policy decision a sysctl
is fine imho.

-Andi
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