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[5/8] lib/cpumask: update comment to cpumask_local_spread()

Message ID 20230325185514.425745-6-yury.norov@gmail.com
State New
Headers
Series sched/topology: add for_each_numa_cpu() macro |

Commit Message

Yury Norov March 25, 2023, 6:55 p.m. UTC 
  Now that we have a for_each_numa_cpu(), which is a more straightforward
replacement to the cpumask_local_spread() when it comes to enumeration
of CPUs with respect to NUMA topology, it's worth to update the comment.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
 lib/cpumask.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/lib/cpumask.c b/lib/cpumask.c
index e7258836b60b..151d1dc5c593 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -127,11 +127,8 @@  void __init free_bootmem_cpumask_var(cpumask_var_t mask)
  *
  * There's a better alternative based on for_each()-like iterators:
  *
- *	for_each_numa_hop_mask(mask, node) {
- *		for_each_cpu_andnot(cpu, mask, prev)
- *			do_something(cpu);
- *		prev = mask;
- *	}
+ *	for_each_numa_cpu(cpu, hop, node, cpu_online_mask)
+ *		do_something(cpu);
  *
  * It's simpler and more verbose than above. Complexity of iterator-based
  * enumeration is O(sched_domains_numa_levels * nr_cpu_ids), while