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    SubjectRe: [PATCH 1/3] wait-simple: Introduce the simple waitqueue implementation
    On Thu, 12 Dec 2013, Christoph Hellwig wrote:

    > On Wed, Dec 11, 2013 at 08:06:37PM -0500, Paul Gortmaker wrote:
    > > From: Thomas Gleixner <tglx@linutronix.de>
    > >
    > > The wait_queue is a swiss army knife and in most of the cases the
    > > full complexity is not needed. Here we provide a slim version, as
    > > it lowers memory consumption and runtime overhead.
    >
    > Might it make more sense to just make the simple one the default and use
    > the complex one in the few cases that need it?

    Sure.

    > It would also be good to enumerate those cases. The wake callbacks come
    > to mind, but I guess there are more?

    You can convert everything which uses default_wake_function and does
    not use the exclusive wait trickery.

    Thanks,

    tglx


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