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Subject: Re: [hwloc-devel] Memory affinity
From: Samuel Thibault (samuel.thibault_at_[hidden])
Date: 2011-02-28 15:22:24


Jeff Squyres, le Mon 28 Feb 2011 21:18:52 +0100, a écrit :
> On Feb 28, 2011, at 2:02 PM, Samuel Thibault wrote:
>
> >> That would seem to imply that I should always hwloc_set_area_membind() if I want it to persist beyond any potential future swapping.
> >
> > I guess that could be right, but it definitely deserves testing before
> > trusting potentially-outdated documentation :)
>
> Brice - did you see anything about this when reading the kernel code?
>
> > I don't remember such kind of document details for other OSes, in any case.
>
> Are you saying that other OS's don't promise anything about whether memory binding / policy is remembered for swapped-out pages?

I've not seen such promises in the documentation, at least (I however
have to say that I hadn't looked for it specifically either).

Samuel