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The global hash uses futex_hashsize to save the amount of the hash buckets that have been allocated during system boot. On each futex_hash() invocation this number is substracted by one to get the mask. This can be optimized by saving directly the mask avoiding the substraction on each futex_hash() invocation. Rename futex_hashsize to futex_hashmask and save the mask of the allocated hash map. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Waiman Long <longman@redhat.com> Link: https://lore.kernel.org/all/20250226091057.bX8vObR4@linutronix.de |
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.. | ||
core.c | ||
futex.h | ||
Makefile | ||
pi.c | ||
requeue.c | ||
syscalls.c | ||
waitwake.c |