diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index d5699aa79578..54d997f304b5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1648,7 +1648,7 @@ exit:
 	return ret;
 }
 
-uint32_t get_process_num_bos(struct kfd_process *p)
+static uint32_t get_process_num_bos(struct kfd_process *p)
 {
 	uint32_t num_of_bos = 0;
 	int i;