Re: [PATCH 00/13] Re: Scalability requirements for sysv ipc

[Peter Zijlstra]

On Fri, 2008-04-11 at 18:17 +0200, Nadia.Derbey@xxxxxxxx wrote:
> 
> Here is finally the ipc ridr-based implementation I was talking about last
> week (see http://lkml.org/lkml/2008/4/4/208).
> I couldn't avoid much of the code duplication, but at least made things
> incremental.
> 
> Does somebody now a test suite that exists for the idr API, that I could
> run on this new api?
> 
> Mike, can you try to run it on your victim: I had such a hard time building
> this patch, that I couldn't re-run the test on my 8-core with this new
> version. So the last results I have are for 2.6.25-rc3-mm1.
> 
> Also, I think a careful review should be done to avoid introducing yet other
> problems :-(

Why duplicate the whole thing, when we converted the Radix tree to be
RCU safe we did it in-place. Is there a reason this is not done for idr?

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