sched/topology: Improve comments

Mike provided a better comment for destroy_sched_domain() ...

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2017-08-21 15:42:52 +02:00 committed by Ingo Molnar
parent 213c5a459a
commit a090c4f2cd

View File

@ -344,8 +344,9 @@ static void free_sched_groups(struct sched_group *sg, int free_sgc)
static void destroy_sched_domain(struct sched_domain *sd)
{
/*
* A sched domain has many groups' reference, and an overlapping
* domain has private groups, iterate and nuke them all.
* A normal sched domain may have multiple group references, an
* overlapping domain, having private groups, only one. Iterate,
* dropping group/capacity references, freeing where none remain.
*/
free_sched_groups(sd->groups, 1);