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-rw-r--r--kernel/sched/fair.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8e42de9..84adb2d 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3130,8 +3130,10 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd)
}
#define LBF_ALL_PINNED 0x01
-#define LBF_NEED_BREAK 0x02
-#define LBF_ABORT 0x04
+#define LBF_NEED_BREAK 0x02 /* clears into HAD_BREAK */
+#define LBF_HAD_BREAK 0x04
+#define LBF_HAD_BREAKS 0x0C /* count HAD_BREAKs overflows into ABORT */
+#define LBF_ABORT 0x10
/*
* can_migrate_task - may task p from runqueue rq be migrated to this_cpu?
@@ -4508,7 +4510,9 @@ redo:
goto out_balanced;
if (lb_flags & LBF_NEED_BREAK) {
- lb_flags &= ~LBF_NEED_BREAK;
+ lb_flags += LBF_HAD_BREAK - LBF_NEED_BREAK;
+ if (lb_flags & LBF_ABORT)
+ goto out_balanced;
goto redo;
}
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