On 22/11/2020 15:35, Pavel Begunkov wrote:
Because of spinlocks and atomics sbitmap_deferred_clear() have to reload &sb->map[index] on each access even though the map address won't change. Pass in sbitmap_word instead of {sb, index}, so it's cached in a variable. It also improves code generation of sbitmap_find_bit_in_index(). Signed-off-by: Pavel Begunkov<asml.silence@xxxxxxxxx>
Looks ok, even though a bit odd not be passing a struct sbitmap * now Reviewed-by: John Garry <john.garry@xxxxxxxxxx>