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    SubjectRe: Automatic NUMA balancing patches for tip-urgent/stable
    On Tue, Oct 29, 2013 at 11:41:02AM +0100, Ingo Molnar wrote:
    >
    > * Mel Gorman <mgorman@suse.de> wrote:
    >
    > > Bah, I have tip as a remote tree but looked at my local copy of
    > > the commits in the incorrect branch. Lets try this again
    > >
    > > 37bf06375c90a42fe07b9bebdb07bc316ae5a0ce..afcae2655b0ab67e65f161b1bb214efcfa1db415
    >
    > Ok, these work a lot better and cherry-pick cleanly on top of -rc7.
    >
    > > 10fc05d0e551146ad6feb0ab8902d28a2d3c5624 mm: numa: Document automatic NUMA balancing sysctls
    >
    > We can certainly leave out this one - the rest still cherry-picks
    > cleanly.
    >
    > > c69307d533d7aa7cc8894dbbb8a274599f8630d7 sched/numa: Fix comments
    >
    > I was able to leave out this one as well.
    >

    Yes, both of those can be left out. They are outside the stable rules and
    including them to have comparable documentation in -stable is unnecessary.

    > > 0c3a775e1e0b069bf765f8355b723ce0d18dcc6c mm: numa: Do not account for a hinting fault if we raced
    > > ff9042b11a71c81238c70af168cd36b98a6d5a3c mm: Wait for THP migrations to complete during NUMA hinting faults
    > > b8916634b77bffb233d8f2f45703c80343457cc1 mm: Prevent parallel splits during THP migration
    > > 8191acbd30c73e45c24ad16c372e0b42cc7ac8f8 mm: numa: Sanitize task_numa_fault() callsites
    > > a54a407fbf7735fd8f7841375574f5d9b0375f93 mm: Close races between THP migration and PMD numa clearing
    > > afcae2655b0ab67e65f161b1bb214efcfa1db415 mm: Account for a THP NUMA hinting update as one PTE update
    >
    > Ok, these seem essential and cherry-pick cleanly.
    >
    > Would be nice to avoid the 'Sanitize task_numa_fault() callsites'
    > change, but the remaining fixes rely on it and are well tested
    > together.
    >

    It would have been nice but yes, the combination of patches would not have
    been well tested.

    > I've stuck these into tip:core/urgent with a -stable tag and will
    > send them to Linus if he cuts an -rc8 (which seems unlikely at this
    > point though).
    >
    > If there's no -rc8 then please forward the above list of 6 commits
    > to Greg so that it can be applied to -stable.
    >

    Thanks, I'll make sure they get sent to stable when the relevant patches
    show up in a mainline tree of some description.

    --
    Mel Gorman
    SUSE Labs


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