cpumask: Add for_each_cpu_from()

Add for_each_cpu_from() as a generic cpumask macro.

for_each_cpu_from() is the same as for_each_cpu(), except it starts at
@cpu instead of zero.

Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com>
Acked-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
This commit is contained in:
Kyle Meyer 2024-04-10 16:33:10 -05:00 committed by Yury Norov
parent 678e14c772
commit 6802f93479

View File

@ -368,6 +368,16 @@ unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int sta
#define for_each_cpu_or(cpu, mask1, mask2) \
for_each_or_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
/**
* for_each_cpu_from - iterate over CPUs present in @mask, from @cpu to the end of @mask.
* @cpu: the (optionally unsigned) integer iterator
* @mask: the cpumask pointer
*
* After the loop, cpu is >= nr_cpu_ids.
*/
#define for_each_cpu_from(cpu, mask) \
for_each_set_bit_from(cpu, cpumask_bits(mask), small_cpumask_bits)
/**
* cpumask_any_but - return a "random" in a cpumask, but not this one.
* @mask: the cpumask to search