diff options
| -rw-r--r-- | init/main.c | 5 | ||||
| -rw-r--r-- | kernel/sched.c | 8 | ||||
| -rw-r--r-- | lib/cpumask.c | 3 | ||||
| -rw-r--r-- | mm/page_alloc.c | 2 |
4 files changed, 9 insertions, 9 deletions
diff --git a/init/main.c b/init/main.c index df982ff5d2b..0e22f40487b 100644 --- a/init/main.c +++ b/init/main.c @@ -384,11 +384,6 @@ static void __init setup_per_cpu_areas(void) static void __init smp_init(void) { unsigned int cpu; - unsigned highest = 0; - - for_each_cpu_mask(cpu, cpu_possible_map) - highest = cpu; - nr_cpu_ids = highest + 1; /* FIXME: This should be done in userspace --RR */ for_each_present_cpu(cpu) { diff --git a/kernel/sched.c b/kernel/sched.c index 960d7c5fca3..0227f1625a7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5244,6 +5244,11 @@ int __init migration_init(void) #endif #ifdef CONFIG_SMP + +/* Number of possible processor ids */ +int nr_cpu_ids __read_mostly = NR_CPUS; +EXPORT_SYMBOL(nr_cpu_ids); + #undef SCHED_DOMAIN_DEBUG #ifdef SCHED_DOMAIN_DEBUG static void sched_domain_debug(struct sched_domain *sd, int cpu) @@ -6726,6 +6731,7 @@ int in_sched_functions(unsigned long addr) void __init sched_init(void) { int i, j, k; + int highest_cpu = 0; for_each_possible_cpu(i) { struct prio_array *array; @@ -6760,11 +6766,13 @@ void __init sched_init(void) // delimiter for bitsearch __set_bit(MAX_PRIO, array->bitmap); } + highest_cpu = i; } set_load_weight(&init_task); #ifdef CONFIG_SMP + nr_cpu_ids = highest_cpu + 1; open_softirq(SCHED_SOFTIRQ, run_rebalance_domains, NULL); #endif diff --git a/lib/cpumask.c b/lib/cpumask.c index 1ea2c184315..bb4f76d3c3e 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -15,9 +15,6 @@ int __next_cpu(int n, const cpumask_t *srcp) } EXPORT_SYMBOL(__next_cpu); -int nr_cpu_ids; -EXPORT_SYMBOL(nr_cpu_ids); - int __any_online_cpu(const cpumask_t *mask) { int cpu; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 353ce9039a8..019ceda6a8b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -665,7 +665,7 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order, } #if MAX_NUMNODES > 1 -int nr_node_ids __read_mostly; +int nr_node_ids __read_mostly = MAX_NUMNODES; EXPORT_SYMBOL(nr_node_ids); /* |