On 24/11/2020 14:11, John Garry wrote:
> 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
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
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