diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 9 | ||||
| -rw-r--r-- | kernel/sched/sched.h | 5 |
2 files changed, 8 insertions, 6 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 4c40e13310e9..c4df2de6ca4a 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1418,6 +1418,7 @@ void task_numa_free(struct task_struct *p) { struct numa_group *grp = p->numa_group; int i; + void *numa_faults = p->numa_faults; if (grp) { for (i = 0; i < 2*nr_node_ids; i++) @@ -1433,7 +1434,9 @@ void task_numa_free(struct task_struct *p) put_numa_group(grp); } - kfree(p->numa_faults); + p->numa_faults = NULL; + p->numa_faults_buffer = NULL; + kfree(numa_faults); } /* @@ -1452,6 +1455,10 @@ void task_numa_fault(int last_cpupid, int node, int pages, int flags) if (!p->mm) return; + /* Do not worry about placement if exiting */ + if (p->state == TASK_DEAD) + return; + /* Allocate buffer to track faults on a per-node basis */ if (unlikely(!p->numa_faults)) { int size = sizeof(*p->numa_faults) * 2 * nr_node_ids; diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 8037b10a256f..eeb1923812a1 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -559,11 +559,6 @@ static inline u64 rq_clock_task(struct rq *rq) #ifdef CONFIG_NUMA_BALANCING extern int migrate_task_to(struct task_struct *p, int cpu); extern int migrate_swap(struct task_struct *, struct task_struct *); -extern void task_numa_free(struct task_struct *p); -#else /* CONFIG_NUMA_BALANCING */ -static inline void task_numa_free(struct task_struct *p) -{ -} #endif /* CONFIG_NUMA_BALANCING */ #ifdef CONFIG_SMP |