cgroup: fix subsys bitops

Cgroup uses unsigned long for subsys bitops, not unsigned long long.
Signed-off-by: NLi Zefan <lizf@cn.fujitsu.com>
Acked-by: NPaul Menage <menage@google.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

kernel/cgroup.c

@@ -319,7 +319,7 @@ static struct css_set *find_existing_css_set(
 	/* Built the set of subsystem state objects that we want to
 	 * see in the new css_set */
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
-		if (root->subsys_bits & (1ull << i)) {
+		if (root->subsys_bits & (1UL << i)) {
 			/* Subsystem is in this hierarchy. So we want
 			 * the subsystem state from the new
 			 * cgroup */
@@ -689,7 +689,7 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 	added_bits = final_bits & ~root->actual_subsys_bits;
 	/* Check that any added subsystems are currently free */
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
-		unsigned long long bit = 1ull << i;
+		unsigned long bit = 1UL << i;
 		struct cgroup_subsys *ss = subsys[i];
 		if (!(bit & added_bits))
 			continue;