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Merge branch 'linus' into sched/core

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Merge reason: update to latest upstream

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2010-04-02 20:02:55 +02:00
parent 6427462bfa 42be79e37e
commit c9494727cf
5836 changed files with 421774 additions and 205661 deletions
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24
kernel/sched.c
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@@ -1543,7 +1543,7 @@ static unsigned long cpu_avg_load_per_task(int cpu)
#ifdef CONFIG_FAIR_GROUP_SCHED
static __read_mostly unsigned long *update_shares_data;
static __read_mostly unsigned long __percpu *update_shares_data;
static void __set_se_shares(struct sched_entity *se, unsigned long shares);
@@ -2604,7 +2604,7 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
{
unsigned long flags;
struct rq *rq;
int cpu = get_cpu();
int cpu __maybe_unused = get_cpu();
#ifdef CONFIG_SMP
/*
@@ -4289,7 +4289,7 @@ int can_nice(const struct task_struct *p, const int nice)
/* convert nice value [19,-20] to rlimit style value [1,40] */
int nice_rlim = 20 - nice;
return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
capable(CAP_SYS_NICE));
}
@@ -4466,7 +4466,7 @@ recheck:
if (!lock_task_sighand(p, &flags))
return -ESRCH;
rlim_rtprio = p->signal->rlim[RLIMIT_RTPRIO].rlim_cur;
rlim_rtprio = task_rlimit(p, RLIMIT_RTPRIO);
unlock_task_sighand(p, &flags);
/* can't set/change the rt policy */
@@ -4837,7 +4837,9 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
int ret;
cpumask_var_t mask;
if (len < cpumask_size())
if (len < nr_cpu_ids)
return -EINVAL;
if (len & (sizeof(unsigned long)-1))
return -EINVAL;
if (!alloc_cpumask_var(&mask, GFP_KERNEL))
@@ -4845,10 +4847,12 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
ret = sched_getaffinity(pid, mask);
if (ret == 0) {
if (copy_to_user(user_mask_ptr, mask, cpumask_size()))
size_t retlen = min_t(size_t, len, cpumask_size());
if (copy_to_user(user_mask_ptr, mask, retlen))
ret = -EFAULT;
else
ret = cpumask_size();
ret = retlen;
}
free_cpumask_var(mask);
@@ -7338,11 +7342,13 @@ static ssize_t sched_power_savings_store(const char *buf, size_t count, int smt)
#ifdef CONFIG_SCHED_MC
static ssize_t sched_mc_power_savings_show(struct sysdev_class *class,
struct sysdev_class_attribute *attr,
char *page)
{
return sprintf(page, "%u\n", sched_mc_power_savings);
}
static ssize_t sched_mc_power_savings_store(struct sysdev_class *class,
struct sysdev_class_attribute *attr,
const char *buf, size_t count)
{
return sched_power_savings_store(buf, count, 0);
@@ -7354,11 +7360,13 @@ static SYSDEV_CLASS_ATTR(sched_mc_power_savings, 0644,
#ifdef CONFIG_SCHED_SMT
static ssize_t sched_smt_power_savings_show(struct sysdev_class *dev,
struct sysdev_class_attribute *attr,
char *page)
{
return sprintf(page, "%u\n", sched_smt_power_savings);
}
static ssize_t sched_smt_power_savings_store(struct sysdev_class *dev,
struct sysdev_class_attribute *attr,
const char *buf, size_t count)
{
return sched_power_savings_store(buf, count, 1);
@@ -8742,7 +8750,7 @@ struct cgroup_subsys cpu_cgroup_subsys = {
struct cpuacct {
struct cgroup_subsys_state css;
/* cpuusage holds pointer to a u64-type object on every cpu */
u64 *cpuusage;
u64 __percpu *cpuusage;
struct percpu_counter cpustat[CPUACCT_STAT_NSTATS];
struct cpuacct *parent;
};