perf: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node()

Use the convenience function instead of __GFP_ZERO.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/f58599ae1a8d7b32d37e9cf283e95fba6452f7f6.1377809875.git.joe@perches.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

3 files changed, 5 insertions, 6 deletions

diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 4cbe03287b08..beeb7cc07044 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -347,8 +347,7 @@ static struct amd_nb *amd_alloc_nb(int cpu)
         struct amd_nb *nb;
         int i;
 
-        nb = kmalloc_node(sizeof(struct amd_nb), GFP_KERNEL | __GFP_ZERO,
-                          cpu_to_node(cpu));
+        nb = kzalloc_node(sizeof(struct amd_nb), GFP_KERNEL, cpu_to_node(cpu));
         if (!nb)
                 return NULL;
 
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 442fcc23f3a8..63438aad177f 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -224,7 +224,7 @@ static int alloc_pebs_buffer(int cpu)
         if (!x86_pmu.pebs)
                 return 0;
 
-        buffer = kmalloc_node(PEBS_BUFFER_SIZE, GFP_KERNEL | __GFP_ZERO, node);
+        buffer = kzalloc_node(PEBS_BUFFER_SIZE, GFP_KERNEL, node);
         if (unlikely(!buffer))
                 return -ENOMEM;
 
@@ -262,7 +262,7 @@ static int alloc_bts_buffer(int cpu)
         if (!x86_pmu.bts)
                 return 0;
 
-        buffer = kmalloc_node(BTS_BUFFER_SIZE, GFP_KERNEL | __GFP_ZERO, node);
+        buffer = kzalloc_node(BTS_BUFFER_SIZE, GFP_KERNEL, node);
         if (unlikely(!buffer))
                 return -ENOMEM;
 
@@ -295,7 +295,7 @@ static int alloc_ds_buffer(int cpu)
         int node = cpu_to_node(cpu);
         struct debug_store *ds;
 
-        ds = kmalloc_node(sizeof(*ds), GFP_KERNEL | __GFP_ZERO, node);
+        ds = kzalloc_node(sizeof(*ds), GFP_KERNEL, node);
         if (unlikely(!ds))
                 return -ENOMEM;
 
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 34c11ae9bda3..fd8011ed4dcd 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2713,7 +2713,7 @@ struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cp
 
         size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg);
 
-        box = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, cpu_to_node(cpu));
+        box = kzalloc_node(size, GFP_KERNEL, cpu_to_node(cpu));
         if (!box)
                 return NULL;