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SubjectRe: [tip:sched/numa] sched/numa: Introduce sys_numa_{t,m}bind()
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On Fri, 2012-05-18 at 10:25 -0500, Christoph Lameter wrote:
> On Fri, 18 May 2012, Rik van Riel wrote:
>
> > I like your code for handling smaller processes in NUMA
> > systems, but we do need to have a serious discussion on
> > how to handle processes that do not fit in one node.
>
> The home node seems to be associated with a thread and not a process. So
> we would be able to have multiple home nodes per process.

Its set the same for every thread in a process, unless you use the new
system calls to carve it up in pieces.

> The whole NUMA policy thing is already quite complex and this will
> increase that complexity somewhat. Wish we could simplify things somehow.

Most of that is due to existing interfaces, I'm afraid we cannot
simplify without reducing those :/


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