diff options
| -rw-r--r-- | kernel/sched.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 2c6295b395a9..7ef66bd753e7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
| @@ -75,12 +75,6 @@ unsigned long long __attribute__((weak)) sched_clock(void) | |||
| 75 | return (unsigned long long)jiffies * (1000000000 / HZ); | 75 | return (unsigned long long)jiffies * (1000000000 / HZ); |
| 76 | } | 76 | } |
| 77 | 77 | ||
| 78 | #ifdef CONFIG_SMP | ||
| 79 | #define is_migration_thread(p, rq) ((p) == (rq)->migration_thread) | ||
| 80 | #else | ||
| 81 | #define is_migration_thread(p, rq) 0 | ||
| 82 | #endif | ||
| 83 | |||
| 84 | /* | 78 | /* |
| 85 | * Convert user-nice values [ -20 ... 0 ... 19 ] | 79 | * Convert user-nice values [ -20 ... 0 ... 19 ] |
| 86 | * to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ], | 80 | * to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ], |
| @@ -371,6 +365,15 @@ static inline int cpu_of(struct rq *rq) | |||
| 371 | #endif | 365 | #endif |
| 372 | } | 366 | } |
| 373 | 367 | ||
| 368 | static inline int is_migration_thread(struct task_struct *p, struct rq *rq) | ||
| 369 | { | ||
| 370 | #ifdef CONFIG_SMP | ||
| 371 | return p == rq->migration_thread; | ||
| 372 | #else | ||
| 373 | return 0; | ||
| 374 | #endif | ||
| 375 | } | ||
| 376 | |||
| 374 | /* | 377 | /* |
| 375 | * Update the per-runqueue clock, as finegrained as the platform can give | 378 | * Update the per-runqueue clock, as finegrained as the platform can give |
| 376 | * us, but without assuming monotonicity, etc.: | 379 | * us, but without assuming monotonicity, etc.: |
