--- zzzz-none-000/linux-3.10.107/tools/testing/selftests/ptrace/peeksiginfo.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/tools/testing/selftests/ptrace/peeksiginfo.c	2021-02-04 17:41:59.000000000 +0000
@@ -31,6 +31,10 @@
 #define TEST_SICODE_PRIV	-1
 #define TEST_SICODE_SHARE	-2
 
+#ifndef PAGE_SIZE
+#define PAGE_SIZE sysconf(_SC_PAGESIZE)
+#endif
+
 #define err(fmt, ...)						\
 		fprintf(stderr,					\
 			"Error (%s:%d): " fmt,			\