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Sebastian Andrzej Siewior
e3924279e5
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 <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Waiman Long <[email protected]> Link: https://lore.kernel.org/all/[email protected]