Messages in this thread | | | Date | Fri, 3 Aug 2007 03:14:48 +0200 | From | Nick Piggin <> | Subject | Re: [rfc] balance-on-fork NUMA placement |
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On Thu, Aug 02, 2007 at 06:02:56PM -0700, Christoph Lameter wrote: > On Fri, 3 Aug 2007, Nick Piggin wrote: > > > > Ok. So MPOL_BIND on a single node. We would have to save the current > > > memory policy on the stack and then restore it later. Then you would need > > > a special call anyways. > > > > Well the memory policy will already be set to MPOL_BIND at this point. > > The slab allocator I think would just have to honour the node at the > > object level. > > Who set the policy? The parent process may have its own memory policy. If > you set that then the earlier policy is lost.
Yeah it only gets set if the parent is initially using a default policy at this stage (and then is restored afterwards of course).
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