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-rw-r--r--kernel/sched/core.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 2d8927fda71..cad0d092ce3 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1533,6 +1533,19 @@ static void __sched_fork(struct task_struct *p)
#ifdef CONFIG_PREEMPT_NOTIFIERS
INIT_HLIST_HEAD(&p->preempt_notifiers);
#endif
+
+#ifdef CONFIG_NUMA_BALANCING
+ if (p->mm && atomic_read(&p->mm->mm_users) == 1) {
+ p->mm->numa_next_scan = jiffies;
+ p->mm->numa_scan_seq = 0;
+ }
+
+ p->node_stamp = 0ULL;
+ p->numa_scan_seq = p->mm ? p->mm->numa_scan_seq : 0;
+ p->numa_migrate_seq = p->mm ? p->mm->numa_scan_seq - 1 : 0;
+ p->numa_scan_period = sysctl_numa_balancing_scan_period_min;
+ p->numa_work.next = &p->numa_work;
+#endif /* CONFIG_NUMA_BALANCING */
}
/*