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    SubjectRe: [2.6.24-rc8-mm1][regression?] numactl --interleave=all doesn't works on memoryless node.
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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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