1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 522f421ec213..cf5efbcf716c 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -130,6 +130,7 @@ extern int __init pcpu_page_first_chunk(size_t reserved_size,
 extern void *__alloc_reserved_percpu(size_t size, size_t align);
 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);
@@ -155,6 +156,11 @@ static inline void free_percpu(void *p)
         kfree(p);
 }
 
+static inline phys_addr_t per_cpu_ptr_to_phys(void *addr)
+{
+        return __pa(addr);
+}
+
 static inline void __init setup_per_cpu_areas(void) { }
 
 static inline void *pcpu_lpage_remapped(void *kaddr)