diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2009-06-06 23:51:36 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-06-09 15:00:27 +0200 |
| commit | eaa958402ea40851097d051f52ba1bb7a885efe9 (patch) | |
| tree | 9187f59ff0ee6ac138b5c81a2212bc10f46d04a5 /kernel | |
| parent | cpumask: introduce zalloc_cpumask_var (diff) | |
| download | linux-eaa958402ea40851097d051f52ba1bb7a885efe9.tar.xz linux-eaa958402ea40851097d051f52ba1bb7a885efe9.zip | |
cpumask: alloc zeroed cpumask for static cpumask_var_ts
These are defined as static cpumask_var_t so if MAXSMP is not used,
they are cleared already. Avoid surprises when MAXSMP is enabled.
Signed-off-by: Yinghai Lu <yinghai.lu@kernel.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched_cpupri.c | 2 | ||||
| -rw-r--r-- | kernel/sched_rt.c | 2 | ||||
| -rw-r--r-- | kernel/smp.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c index cdd3c89574cd..344712a5e3ed 100644 --- a/kernel/sched_cpupri.c +++ b/kernel/sched_cpupri.c @@ -165,7 +165,7 @@ int __init_refok cpupri_init(struct cpupri *cp, bool bootmem) vec->count = 0; if (bootmem) alloc_bootmem_cpumask_var(&vec->mask); - else if (!alloc_cpumask_var(&vec->mask, GFP_KERNEL)) + else if (!zalloc_cpumask_var(&vec->mask, GFP_KERNEL)) goto cleanup; } diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index f2c66f8f9712..9bf0d2a73045 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -1591,7 +1591,7 @@ static inline void init_sched_rt_class(void) unsigned int i; for_each_possible_cpu(i) - alloc_cpumask_var_node(&per_cpu(local_cpu_mask, i), + zalloc_cpumask_var_node(&per_cpu(local_cpu_mask, i), GFP_KERNEL, cpu_to_node(i)); } #endif /* CONFIG_SMP */ diff --git a/kernel/smp.c b/kernel/smp.c index 858baac568ee..ad63d8501207 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -52,7 +52,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) switch (action) { case CPU_UP_PREPARE: case CPU_UP_PREPARE_FROZEN: - if (!alloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL, + if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL, cpu_to_node(cpu))) return NOTIFY_BAD; break; |