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    SubjectRe: [RFC/PATCH -v2] Add sysfs control to modify a user's cpu share
    > > Changelog since v1:
    > > 1. Added a mutex to serialize directory creation/destruction for a user in
    > > sysfs
    > > 2. Added a spinlock in the task_group structure to serialize writes to
    > > tg->shares.
    > > 3. Removed /proc/root_user_cpu_shares.
    > > 4. Added Documentation about the group scheduler.
    >
    > thanks - I have added this to the queue.
    >
    > i'm wondering about the following: could not (yet) existing UIDs be made
    > configurable too? I.e. if i do this in a bootup script:
    >
    > echo 2048 > /sys/kernel/uids/500/cpu_share
    >
    > this should just work too, regardless of there not being any UID 500
    > tasks yet. Likewise, once configured, the /sys/kernel/uids/* directories
    > (with the settings in them) should probably not go away either.

    Shouldn't that be done via uevents? E.g. UID x gets added to the sysfs tree,
    generates a uevent and a script then figures out the cpu_share and sets it.
    That way you also don't need to keep the directories. No?
    -
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