--- zzzz-none-000/linux-4.9.231/include/linux/pstore.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/include/linux/pstore.h	2022-03-30 12:03:35.000000000 +0000
@@ -55,6 +55,7 @@
 	size_t		bufsize;
 	struct mutex	read_mutex;	/* serialize open/read/close */
 	int		flags;
+	unsigned int	num_pmsg;
 	int		(*open)(struct pstore_info *psi);
 	int		(*close)(struct pstore_info *psi);
 	ssize_t		(*read)(u64 *id, enum pstore_type_id *type,