diff options
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index df80bfcea92e..49a2daea618b 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -801,6 +801,15 @@ struct root_domain { struct dl_bw dl_bw; struct cpudl cpudl; + /* + * Indicate whether a root_domain's dl_bw has been checked or + * updated. It's monotonously increasing value. + * + * Also, some corner cases, like 'wrap around' is dangerous, but given + * that u64 is 'big enough'. So that shouldn't be a concern. + */ + u64 visit_gen; + #ifdef HAVE_RT_PUSH_IPI /* * For IPI pull requests, loop across the rto_mask. |