diff options
| -rw-r--r-- | include/uapi/linux/sched.h | 1 | ||||
| -rw-r--r-- | kernel/sched/core.c | 3 | ||||
| -rw-r--r-- | kernel/sched/deadline.c | 3 |
3 files changed, 5 insertions, 2 deletions
diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h index 5f0fe019a720..e2a6c7b3510b 100644 --- a/include/uapi/linux/sched.h +++ b/include/uapi/linux/sched.h @@ -47,5 +47,6 @@ * For the sched_{set,get}attr() calls */ #define SCHED_FLAG_RESET_ON_FORK 0x01 +#define SCHED_FLAG_RECLAIM 0x02 #endif /* _UAPI_LINUX_SCHED_H */ diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7abd06400a98..8d1a5a625814 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4195,7 +4195,8 @@ recheck: return -EINVAL; } - if (attr->sched_flags & ~(SCHED_FLAG_RESET_ON_FORK)) + if (attr->sched_flags & + ~(SCHED_FLAG_RESET_ON_FORK | SCHED_FLAG_RECLAIM)) return -EINVAL; /* diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 6a0614b9c8d7..61ea3039cdc1 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -985,7 +985,8 @@ static void update_curr_dl(struct rq *rq) sched_rt_avg_update(rq, delta_exec); - delta_exec = grub_reclaim(delta_exec, rq); + if (unlikely(dl_se->flags & SCHED_FLAG_RECLAIM)) + delta_exec = grub_reclaim(delta_exec, rq); dl_se->runtime -= delta_exec; throttle: |