shmobj: Support large page

Mixing page sizes is allowed by shmobj.

Change-Id: Ic48b71da2db6ce3f68fa3dbc8ad5ae96347d6018
Refs: #1381
Refs: #1458

test/issues/1381/C1381.sh

@@ -0,0 +1,44 @@
+#/bin/sh
+
+USELTP=1
+USEOSTEST=0
+
+. ../../common.sh
+
+issue="1381"
+tid=01
+
+arch=`uname -p`
+if [ "$arch" == "x86_64" ]; then
+	pgshift=21
+elif [ "$arch" == "aarch64" ]; then
+	pgshift=29
+fi
+
+tname=`printf "C${issue}T%02d" ${tid}`
+echo "*** ${tname} start *******************************"
+${MCEXEC} ./C1381T01 ${pgshift}
+
+if [ $? -eq 0 ]; then
+	echo "*** ${tname} PASSED ******************************"
+else
+	echo "*** ${tname} FAILED ******************************"
+fi
+let tid++
+echo ""
+
+for tp in futex_wake04 shmat01 shmat02 shmat03 shmctl01 shmctl02 shmctl03 shmctl04 shmdt01 shmdt02 shmget01 shmget02 shmget03 shmget04 shmget05
+do
+	tname=`printf "C${issue}T%02d" ${tid}`
+	echo "*** ${tname} start *******************************"
+	sudo $MCEXEC $LTPBIN/$tp 2>&1 | tee $tp.txt
+	ok=`grep PASS $tp.txt | wc -l`
+	ng=`grep FAIL $tp.txt | wc -l`
+	if [ $ng = 0 ]; then
+		echo "*** ${tname} PASSED ($ok)"
+	else
+		echo "*** ${tname} FAILED (ok=$ok ng=$ng)"
+	fi
+	let tid++
+	echo ""
+done