madvise: Support MADV_WIPEONFORK, MADV_KEEPONFORK and MADV_NORMAL

Change-Id: I1d4cf5affa580d7304dfdc34fa4f1707c0df617c
refs: #1374

test/issues/1374/run.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# run.sh COPYRIGHT FUJITSU LIMITED 2020
+
+# load setting and booting mck.
+USELTP=1
+. ../../common.sh
+chmod 777 /dev/mcos*
+
+echo "test run."
+ltp=`cat <<__EOL__
+madvise10
+__EOL__`
+
+FAIL=0
+for tp in $ltp
+do
+	pushd ${LTPBIN} > /dev/null
+	${MCEXEC} ${LTPBIN}/${tp}
+	if [ $? -ne 0 ]; then
+		FAIL=1
+	fi
+	popd > /dev/null
+done
+
+if [ ${FAIL} -eq 1 ]; then
+	echo "test NG."
+else
+	echo "test OK."
+fi
+
+mcstop