Re: [PATCH v2 1/4] sbitmap: optimise sbitmap_deferred_clear()

[John Garry]

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>