diff options
Diffstat (limited to 'kernel/sched/cpudeadline.c')
| -rw-r--r-- | kernel/sched/cpudeadline.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c index 8d9562d890d3..50316455ea66 100644 --- a/kernel/sched/cpudeadline.c +++ b/kernel/sched/cpudeadline.c @@ -10,11 +10,7 @@ * as published by the Free Software Foundation; version 2 * of the License. */ - -#include <linux/gfp.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include "cpudeadline.h" +#include "sched.h" static inline int parent(int i) { @@ -42,8 +38,9 @@ static void cpudl_heapify_down(struct cpudl *cp, int idx) return; /* adapted from lib/prio_heap.c */ - while(1) { + while (1) { u64 largest_dl; + l = left_child(idx); r = right_child(idx); largest = idx; @@ -131,6 +128,7 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p, return 1; } else { int best_cpu = cpudl_maximum(cp); + WARN_ON(best_cpu != -1 && !cpu_present(best_cpu)); if (cpumask_test_cpu(best_cpu, &p->cpus_allowed) && @@ -145,9 +143,9 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p, } /* - * cpudl_clear - remove a cpu from the cpudl max-heap + * cpudl_clear - remove a CPU from the cpudl max-heap * @cp: the cpudl max-heap context - * @cpu: the target cpu + * @cpu: the target CPU * * Notes: assumes cpu_rq(cpu)->lock is locked * @@ -186,8 +184,8 @@ void cpudl_clear(struct cpudl *cp, int cpu) /* * cpudl_set - update the cpudl max-heap * @cp: the cpudl max-heap context - * @cpu: the target cpu - * @dl: the new earliest deadline for this cpu + * @cpu: the target CPU + * @dl: the new earliest deadline for this CPU * * Notes: assumes cpu_rq(cpu)->lock is locked * @@ -205,6 +203,7 @@ void cpudl_set(struct cpudl *cp, int cpu, u64 dl) old_idx = cp->elements[cpu].idx; if (old_idx == IDX_INVALID) { int new_idx = cp->size++; + cp->elements[new_idx].dl = dl; cp->elements[new_idx].cpu = cpu; cp->elements[cpu].idx = new_idx; @@ -221,7 +220,7 @@ void cpudl_set(struct cpudl *cp, int cpu, u64 dl) /* * cpudl_set_freecpu - Set the cpudl.free_cpus * @cp: the cpudl max-heap context - * @cpu: rd attached cpu + * @cpu: rd attached CPU */ void cpudl_set_freecpu(struct cpudl *cp, int cpu) { @@ -231,7 +230,7 @@ void cpudl_set_freecpu(struct cpudl *cp, int cpu) /* * cpudl_clear_freecpu - Clear the cpudl.free_cpus * @cp: the cpudl max-heap context - * @cpu: rd attached cpu + * @cpu: rd attached CPU */ void cpudl_clear_freecpu(struct cpudl *cp, int cpu) { |