diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-04 22:23:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-04 22:23:30 +0100 |
| commit | a9fda02bfc91a281cd812ae15dabe6bfb9574f90 (patch) | |
| tree | d7be703f341870f15f87a59a63976f650078b4d6 /kernel | |
| parent | aa3090005d27f3c7fba915ccea36b97b669fa3ab (diff) | |
| parent | ec706dab290c486837d4a825870ab052bf200279 (diff) | |
Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into devel-stable
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 2 | ||||
| -rw-r--r-- | kernel/hw_breakpoint.c | 3 | ||||
| -rw-r--r-- | kernel/sched.c | 8 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 2 |
4 files changed, 8 insertions, 7 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index b7e9d60a675..c445f8cc408 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -356,10 +356,10 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) if (IS_ERR(pol)) goto fail_nomem_policy; vma_set_policy(tmp, pol); + tmp->vm_mm = mm; if (anon_vma_fork(tmp, mpnt)) goto fail_nomem_anon_vma_fork; tmp->vm_flags &= ~VM_LOCKED; - tmp->vm_mm = mm; tmp->vm_next = tmp->vm_prev = NULL; file = tmp->vm_file; if (file) { diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c index d71a987fd2b..c7c2aed9e2d 100644 --- a/kernel/hw_breakpoint.c +++ b/kernel/hw_breakpoint.c @@ -433,7 +433,8 @@ register_user_hw_breakpoint(struct perf_event_attr *attr, perf_overflow_handler_t triggered, struct task_struct *tsk) { - return perf_event_create_kernel_counter(attr, -1, tsk->pid, triggered); + return perf_event_create_kernel_counter(attr, -1, task_pid_vnr(tsk), + triggered); } EXPORT_SYMBOL_GPL(register_user_hw_breakpoint); diff --git a/kernel/sched.c b/kernel/sched.c index ed09d4f2a69..dc85ceb9083 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3513,9 +3513,9 @@ void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st) rtime = nsecs_to_cputime(p->se.sum_exec_runtime); if (total) { - u64 temp; + u64 temp = rtime; - temp = (u64)(rtime * utime); + temp *= utime; do_div(temp, total); utime = (cputime_t)temp; } else @@ -3546,9 +3546,9 @@ void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *st) rtime = nsecs_to_cputime(cputime.sum_exec_runtime); if (total) { - u64 temp; + u64 temp = rtime; - temp = (u64)(rtime * cputime.utime); + temp *= cputime.utime; do_div(temp, total); utime = (cputime_t)temp; } else diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index a171138a940..db3f674ca49 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -3630,7 +3630,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu) if (time_before(now, nohz.next_balance)) return 0; - if (!rq->nr_running) + if (rq->idle_at_tick) return 0; first_pick_cpu = atomic_read(&nohz.first_pick_cpu); |