Re: [patch] Cache align futex hash buckets

[Andi Kleen]

Andrew Morton <akpm@xxxxxxxx> writes:
> 
> Well it's your architecture...  As long as you're finding this to be a
> sufficiently large problem in testing to justify consuming a meg of memory
> then fine, let's do it.

I think it's a waste of memory even with 128 byte cache lines. 

If it's really a big problem. Some more clever solution would be
better. e.g. allocate a hash table per node and use a hierarchical
hash, trying to put stuff into the local node first.

-Andi
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