diff options
Diffstat (limited to 'kernel/sched/cputime.c')
| -rw-r--r-- | kernel/sched/cputime.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index cc2dc3eea8a3..e89ccefef278 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -121,7 +121,7 @@ static inline void task_group_account_field(struct task_struct *p, int index, * is the only cgroup, then nothing else should be necessary. * */ - __get_cpu_var(kernel_cpustat).cpustat[index] += tmp; + __this_cpu_add(kernel_cpustat.cpustat[index], tmp); cpuacct_account_field(p, index, tmp); } @@ -515,9 +515,8 @@ static cputime_t scale_stime(u64 stime, u64 rtime, u64 total) for (;;) { /* Make sure "rtime" is the bigger of stime/rtime */ - if (stime > rtime) { - u64 tmp = rtime; rtime = stime; stime = tmp; - } + if (stime > rtime) + swap(rtime, stime); /* Make sure 'total' fits in 32 bits */ if (total >> 32) @@ -747,17 +746,17 @@ void arch_vtime_task_switch(struct task_struct *prev) write_seqlock(¤t->vtime_seqlock); current->vtime_snap_whence = VTIME_SYS; - current->vtime_snap = sched_clock(); + current->vtime_snap = sched_clock_cpu(smp_processor_id()); write_sequnlock(¤t->vtime_seqlock); } -void vtime_init_idle(struct task_struct *t) +void vtime_init_idle(struct task_struct *t, int cpu) { unsigned long flags; write_seqlock_irqsave(&t->vtime_seqlock, flags); t->vtime_snap_whence = VTIME_SYS; - t->vtime_snap = sched_clock(); + t->vtime_snap = sched_clock_cpu(cpu); write_sequnlock_irqrestore(&t->vtime_seqlock, flags); } |