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-rw-r--r--kernel/smpboot.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/smpboot.h b/kernel/smpboot.h
index d88e77165086..7943bbbab917 100644
--- a/kernel/smpboot.h
+++ b/kernel/smpboot.h
@@ -1,6 +1,16 @@
#ifndef SMPBOOT_H
#define SMPBOOT_H
+struct task_struct;
+
int smpboot_prepare(unsigned int cpu);
+#ifdef CONFIG_GENERIC_SMP_IDLE_THREAD
+struct task_struct *idle_thread_get(unsigned int cpu);
+void idle_thread_set_boot_cpu(void);
+#else
+static inline struct task_struct *idle_thread_get(unsigned int cpu) { return NULL; }
+static inline void idle_thread_set_boot_cpu(void) { }
+#endif
+
#endif