Re: [PATCH v2 4/4] futex: Avoid taking hb lock if nothing to wakeup

[Peter Zijlstra]

On Tue, Dec 03, 2013 at 01:45:27AM -0800, Davidlohr Bueso wrote:
> With the new atomic counter we only enlarge the futex_hash_bucket struct
> by 4 bytes on 32bit systems, and it is left the same size for 64bit
> ones, at 24 bytes.

patch 2 grew the structure to be an entire cacheline, this now seems a
rather pointless comment ;-)
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