1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 878836ca999c..6ac984fa34f8 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -154,6 +154,7 @@ struct percpu_data {
 
 extern void *__alloc_percpu(size_t size, size_t align);
 extern void free_percpu(void *__pdata);
+extern phys_addr_t per_cpu_ptr_to_phys(void *addr);
 
 #ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA
 extern void __init setup_per_cpu_areas(void);