[PATCH v2] nptl: Optimize trylock for high cache contention workloads (BZ #33704)

[Wilco Dijkstra]

Hi Sunil,

This looks good to me. However is there a reason not to do the same
for the PTHREAD_MUTEX_RECURSIVE_NP case? That uses the same
lll_trylock approach (and it would be nice to use more similar logic for
both cases).

Cheers,
Wilco