--- zzzz-none-000/linux-4.9.218/arch/mips/include/asm/prom.h	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ax-750/linux-4.9.218/arch/mips/include/asm/prom.h	2023-03-29 10:59:06.000000000 +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 */