aboutsummaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c15
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
368static 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.: