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SubjectRe: [PATCH-tip v3 11/11] locking/rwsem: Optimize rwsem structure for uncontended lock acquisition
On Thu, Feb 28, 2019 at 02:09:41PM -0500, Waiman Long wrote:
> For an uncontended rwsem, count and owner are the only fields a task
> needs to touch when acquiring the rwsem. So they are put next to each
> other to increase the chance that they will share the same cacheline.

Did you try and micro-bench this?

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