diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 9b522152d8f0..0455dc1b2797 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -279,7 +279,7 @@ static void fadump_show_config(void)
  * that is required for a kernel to boot successfully.
  *
  */
-static inline u64 fadump_calculate_reserve_size(void)
+static __init u64 fadump_calculate_reserve_size(void)
 {
 	u64 base, size, bootmem_min;
 	int ret;