--- zzzz-none-000/linux-4.1.52/include/linux/elf.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/elf.h	2022-03-02 11:37:13.000000000 +0000
@@ -48,7 +48,7 @@
 
 #ifndef ARCH_HAVE_EXTRA_ELF_NOTES
 static inline int elf_coredump_extra_notes_size(void) { return 0; }
-static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; }
+static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm __maybe_unused) { return 0; }
 #else
 extern int elf_coredump_extra_notes_size(void);
 extern int elf_coredump_extra_notes_write(struct coredump_params *cprm);