1 files changed, 7 insertions, 6 deletions

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index d559af913e1f..35abcb8b00e9 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -1,3 +1,5 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -20,9 +22,9 @@
 #include <asm/stackprotector.h>
 
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
-# define DBG(x...) printk(KERN_DEBUG x)
+# define DBG(fmt, ...) pr_dbg(fmt, ##__VA_ARGS__)
 #else
-# define DBG(x...)
+# define DBG(fmt, ...) do { if (0) pr_dbg(fmt, ##__VA_ARGS__); } while (0)
 #endif
 
 DEFINE_PER_CPU(int, cpu_number);
@@ -116,8 +118,8 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
         } else {
                 ptr = __alloc_bootmem_node_nopanic(NODE_DATA(node),
                                                    size, align, goal);
-                pr_debug("per cpu data for cpu%d %lu bytes on node%d at "
-                         "%016lx\n", cpu, size, node, __pa(ptr));
+                pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n",
+                         cpu, size, node, __pa(ptr));
         }
         return ptr;
 #else
@@ -198,8 +200,7 @@ void __init setup_per_cpu_areas(void)
                                             pcpu_cpu_distance,
                                             pcpu_fc_alloc, pcpu_fc_free);
                 if (rc < 0)
-                        pr_warning("PERCPU: %s allocator failed (%d), "
-                                   "falling back to page size\n",
+                        pr_warning("%s allocator failed (%d), falling back to page size\n",
                                    pcpu_fc_names[pcpu_chosen_fc], rc);
         }
         if (rc < 0)