Messages in this thread | | | Date | Fri, 24 Jun 2005 12:59:26 +0530 | From | Dipankar Sarma <> | Subject | Re: [PATCH] dst numa: Avoid dst counter cacheline bouncing |
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On Thu, Jun 23, 2005 at 10:05:09PM -0700, Christoph Lameter wrote: > On Fri, 24 Jun 2005, Dipankar Sarma wrote: > > > Do we really need to do a distributed reference counter implementation > > inside dst cache code ? If you are willing to wait for a while, > > we should have modified Rusty's bigref implementation on top of the > > interleaving dynamic per-cpu allocator. We can look at distributed > > reference counter for dst refcount then and see how that can be > > worked out. > > Is that code available somewhere?
Various places in lkml discussions. Search for discussions on dynamic per-cpu allocator. Currently Bharata is adding cpu hotplug awareness in it, but the basic patches work.
BTW, I am not saying that bigref has what you need. What I am trying to say is that you should see if something like bigref can be tweaked to use in your case before implementing a new type of ref counting wholly in dst code.
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