diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index aa9a354..ab68a16 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2915,6 +2915,12 @@
 		if ($line =~ /\bbzero\(/) {
 			ERROR("use memset() instead of bzero()\n" . $herecurr);
 		}
+		if ($line =~ /\bgetpagesize\(\)/) {
+			ERROR("use qemu_real_host_page_size instead of getpagesize()\n" . $herecurr);
+		}
+		if ($line =~ /\bsysconf\(_SC_PAGESIZE\)/) {
+			ERROR("use qemu_real_host_page_size instead of sysconf(_SC_PAGESIZE)\n" . $herecurr);
+		}
 		my $non_exit_glib_asserts = qr{g_assert_cmpstr|
 						g_assert_cmpint|
 						g_assert_cmpuint|