shmobj: Support large page

Mixing page sizes is allowed by shmobj.

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

test/issues/1458/regression_test.sh

@@ -0,0 +1,21 @@
+#/bin/sh
+
+USELTP=1
+USEOSTEST=0
+
+. ../../common.sh
+
+for tp in shmat01 shmat02 shmat03 shmctl01 shmctl02 shmctl03 shmctl04 shmdt01 shmdt02 shmget01 shmget02 shmget03 shmget04 shmget05
+do
+	tname=`printf "" ${tid}`
+	echo "*** LTP-${tp} start *******************************"
+	sudo $MCEXEC $LTPBIN/$tp 2>&1 | tee $tp.ltplog
+	ok=`grep PASS $tp.ltplog | wc -l`
+	ng=`grep FAIL $tp.ltplog | wc -l`
+	if [ $ng = 0 ]; then
+		echo "*** ${tname} PASSED ($ok)"
+	else
+		echo "*** ${tname} FAILED (ok=$ok ng=$ng)"
+	fi
+	echo ""
+done