--- zzzz-none-000/linux-4.9.231/arch/mips/include/asm/prom.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/arch/mips/include/asm/prom.h	2022-03-30 12:03:33.000000000 +0000
@@ -31,4 +31,5 @@
 extern char *mips_get_machine_name(void);
 extern void mips_set_machine_name(const char *name);
 
+#include <asm/prealloc_memory.h>
 #endif /* __ASM_PROM_H */