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cpumask: use zalloc_cpumask_var() where possible

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Remove open-coded zalloc_cpumask_var() and zalloc_cpumask_var_node().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Li Zefan
2009-06-15 14:58:26 +08:00
committed by Rusty Russell
parent a724eada8c
commit 79f5599772
9 changed files with 14 additions and 30 deletions
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7
arch/x86/kernel/apic/io_apic.c
View File

@@ -227,17 +227,14 @@ static struct irq_cfg *get_one_free_irq_cfg(int node)
cfg = kzalloc_node(sizeof(*cfg), GFP_ATOMIC, node);
if (cfg) {
if (!alloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
if (!zalloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
kfree(cfg);
cfg = NULL;
} else if (!alloc_cpumask_var_node(&cfg->old_domain,
} else if (!zalloc_cpumask_var_node(&cfg->old_domain,
GFP_ATOMIC, node)) {
free_cpumask_var(cfg->domain);
kfree(cfg);
cfg = NULL;
} else {
cpumask_clear(cfg->domain);
cpumask_clear(cfg->old_domain);
}
}

6
arch/x86/kernel/process.c
View File

@@ -555,10 +555,8 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
void __init init_c1e_mask(void)
{
/* If we're using c1e_idle, we need to allocate c1e_mask. */
if (pm_idle == c1e_idle) {
alloc_cpumask_var(&c1e_mask, GFP_KERNEL);
cpumask_clear(c1e_mask);
}
if (pm_idle == c1e_idle)
zalloc_cpumask_var(&c1e_mask, GFP_KERNEL);
}
static int __init idle_setup(char *str)

9
arch/x86/kernel/smpboot.c
View File

@@ -1059,12 +1059,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
#endif
current_thread_info()->cpu = 0; /* needed? */
for_each_possible_cpu(i) {
alloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
alloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
alloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
cpumask_clear(per_cpu(cpu_core_map, i));
cpumask_clear(per_cpu(cpu_sibling_map, i));
cpumask_clear(cpu_data(i).llc_shared_map);
zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
zalloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
}
set_cpu_sibling_map(0);