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-rw-r--r--include/linux/cpu.h5
-rw-r--r--init/main.c1
-rw-r--r--kernel/cpu.c13
3 files changed, 5 insertions, 14 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 2643d848df90..4d668e05d458 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -69,7 +69,6 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb)
69 69
70int cpu_up(unsigned int cpu); 70int cpu_up(unsigned int cpu);
71void notify_cpu_starting(unsigned int cpu); 71void notify_cpu_starting(unsigned int cpu);
72extern void cpu_hotplug_init(void);
73extern void cpu_maps_update_begin(void); 72extern void cpu_maps_update_begin(void);
74extern void cpu_maps_update_done(void); 73extern void cpu_maps_update_done(void);
75 74
@@ -84,10 +83,6 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb)
84{ 83{
85} 84}
86 85
87static inline void cpu_hotplug_init(void)
88{
89}
90
91static inline void cpu_maps_update_begin(void) 86static inline void cpu_maps_update_begin(void)
92{ 87{
93} 88}
diff --git a/init/main.c b/init/main.c
index 09131ec090c1..4870dfeb9ee5 100644
--- a/init/main.c
+++ b/init/main.c
@@ -678,7 +678,6 @@ asmlinkage void __init start_kernel(void)
678#endif 678#endif
679 page_cgroup_init(); 679 page_cgroup_init();
680 enable_debug_pagealloc(); 680 enable_debug_pagealloc();
681 cpu_hotplug_init();
682 kmemtrace_init(); 681 kmemtrace_init();
683 kmemleak_init(); 682 kmemleak_init();
684 debug_objects_mem_init(); 683 debug_objects_mem_init();
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 395b6974dc8d..8ce10043e4ac 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -34,14 +34,11 @@ static struct {
34 * an ongoing cpu hotplug operation. 34 * an ongoing cpu hotplug operation.
35 */ 35 */
36 int refcount; 36 int refcount;
37} cpu_hotplug; 37} cpu_hotplug = {
38 38 .active_writer = NULL,
39void __init cpu_hotplug_init(void) 39 .lock = __MUTEX_INITIALIZER(cpu_hotplug.lock),
40{ 40 .refcount = 0,
41 cpu_hotplug.active_writer = NULL; 41};
42 mutex_init(&cpu_hotplug.lock);
43 cpu_hotplug.refcount = 0;
44}
45 42
46#ifdef CONFIG_HOTPLUG_CPU 43#ifdef CONFIG_HOTPLUG_CPU
47 44