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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-06-15 14:58:26 +0800 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-09-24 09:34:24 +0930 |
| commit | 79f5599772ac2f138d7a75b8f3f06a93f09c75f7 (patch) | |
| tree | 092c9f6e3f7c49d8f5bb9f3d39752ae7cfb9415a /arch/x86/kernel | |
| parent | a724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff) | |
| download | linux-79f5599772ac2f138d7a75b8f3f06a93f09c75f7.tar.gz linux-79f5599772ac2f138d7a75b8f3f06a93f09c75f7.tar.bz2 linux-79f5599772ac2f138d7a75b8f3f06a93f09c75f7.zip | |
cpumask: use zalloc_cpumask_var() where possible
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>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 9 |
3 files changed, 7 insertions, 15 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 64970b9885f2..dc69f28489f5 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -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); } } diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 847ab4160315..5284cd2b5776 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -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) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 09c5e077dff7..565ebc65920e 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -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); |