Re: [PATCH RFC 1/2] qspinlock: Introducing a 4-byte queue spinlockimplementation

From: Peter Zijlstra
Date: Thu Aug 01 2013 - 06:14:48 EST

On Thu, Aug 01, 2013 at 03:41:33PM +0530, Raghavendra K T wrote:
> It is exactly 16k-1 not 15k
> That is because CPU_CODE of 1 to 16k represents cpu 0..16k-1

More specifically:


Our NR_CPUS is very much a power of two.
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