Messages in this thread | | | Subject | Re: [2.6.24-rc8-mm1][regression?] numactl --interleave=all doesn't works on memoryless node. | From | Lee Schermerhorn <> | Date | Tue, 05 Feb 2008 10:23:37 -0500 |
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On Tue, 2008-02-05 at 14:31 +0000, Mel Gorman wrote: > On (04/02/08 13:20), Lee Schermerhorn didst pronounce: > > > > When the kernel behaviour changes and breaks user space then the kernel > > > > is usually wrong. Cc'ed Lee S. who maintains the kernel code now. > > > > The memoryless nodes patch series changed a lot of things, so just > > reverting this one area [mpol_check_policy()] probably won't restore the > > prior behavior. A fully populated node mask is not necessarily a proper > > subset of node_online_map(). And contextualize_policy() also requires > > the mask to be a subset of mems_allowed which also defaults to nodes > > with memory. > > > > I don't know how Mel Gorman's "two zonelist" series, which is still > > awaiting a window into the -mm tree, affects this behavior. Those > > patches will certainly be affected by whatever we decide here. > > > > I doubt they'd make a difference to this particular problem.
I didn't really think so, but I wanted to give you a heads up regarding this, as I think it will affect your patches. I'm hoping we'll see them in -mm soon after the .25 merge window closes. If you get there before a fix to this issue, so much the better, IMO :-).
Lee
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