diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index b74b74f..c84d900 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -97,6 +97,7 @@
 extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
 				     int depth, void *data);
 extern void early_init_dt_add_memory_arch(u64 base, u64 size);
+extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align);
 extern u64 dt_mem_next_cell(int s, __be32 **cellp);
 
 /*