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SubjectRe: [PATCH 1/19] MUTEX: Introduce simple mutex implementation
On Tue, Dec 13, 2005 at 01:09:31PM +0000, Alan Cox wrote:
> On Maw, 2005-12-13 at 13:47 +0100, Oliver Neukum wrote:
> > Can't you use the pointer as a hash input?
>
> Some platforms already do this for certain sets of operations like
> atomic_t. The downside however is that you no longer control the lock
> contention or cache line bouncing. It becomes a question of luck rather
> than science as to how well it scales.

s/luck/statistics/

You can always increase the size of the hash table if you encounter
scaling problems.
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