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    SubjectRe: [RFC, 3/7] NUMA hotplug emulator
    On Thu, May 13, 2010 at 07:48:35PM +0800, Shaohui Zheng wrote:
    > Userland interface to hotplug-add fake offlined nodes.

    Why include 2 copies of the patch in one email?

    > Add a sysfs entry "probe" under /sys/devices/system/node/:
    > - to show all fake offlined nodes:
    > $ cat /sys/devices/system/node/probe
    > - to hotadd a fake offlined node, e.g. nodeid is N:
    > $ echo N > /sys/devices/system/node/probe

    As you are trying to add a new sysfs file, please create the matching
    Documentation/ABI/ file as well.

    Also note that sysfs files are "one value per file", which I don't think
    this file follows, right?


    greg k-h

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