Messages in this thread | | | Date | Mon, 25 Nov 2013 12:29:49 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 07/15] KVM: MMU: introduce nulls desc |
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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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