[PATCH 1/5] x86, smpboot: use zalloc_cpumask_var instead of alloc/clear

[Andreas Herrmann <andreas.herrmann3@amd.com>]

Suggested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
---
 arch/x86/kernel/smpboot.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 8b5a419..4701f90 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);
 
-- 
1.6.4