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    SubjectRe: [PATCH v3 07/15] KVM: MMU: introduce nulls desc
    On Mon, Nov 25, 2013 at 12:05:00PM +0100, Peter Zijlstra wrote:
    > On Mon, Nov 25, 2013 at 06:59:24PM +0800, Xiao Guangrong wrote:
    > > I guess Marcelo was talking about rculist_nulls.h
    > > (Documentation/RCU/rculist_nulls.txt).
    >
    > Oh, let me have a look, I don't think I've really looked at that yet.

    Egads, that's far too clever ;-)

    Yes, if that's what Marcello was referencing to he's right, it doesn't
    have a proper termination condition in the face of unlimited
    modification.

    And it can indeed use SLAB_DESTROY_BY_RCU as you alluded to -- although
    the documentation is a tad scarce explaining why this is so.


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