memcg: enum lru_list lru

Mostly we use "enum lru_list lru": change those few "l"s to "lru"s.
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/memcontrol.c

@@ -719,14 +719,14 @@ mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid,
 			unsigned int lru_mask)
 {
 	struct mem_cgroup_per_zone *mz;
-	enum lru_list l;
+	enum lru_list lru;
 	unsigned long ret = 0;
 
 	mz = mem_cgroup_zoneinfo(memcg, nid, zid);
 
-	for_each_lru(l) {
-		if (BIT(l) & lru_mask)
-			ret += mz->lru_size[l];
+	for_each_lru(lru) {
+		if (BIT(lru) & lru_mask)
+			ret += mz->lru_size[lru];
 	}
 	return ret;
 }
@@ -3701,10 +3701,10 @@ static int mem_cgroup_force_empty(struct mem_cgroup *memcg, bool free_all)
 		mem_cgroup_start_move(memcg);
 		for_each_node_state(node, N_HIGH_MEMORY) {
 			for (zid = 0; !ret && zid < MAX_NR_ZONES; zid++) {
-				enum lru_list l;
-				for_each_lru(l) {
+				enum lru_list lru;
+				for_each_lru(lru) {
 					ret = mem_cgroup_force_empty_list(memcg,
-							node, zid, l);
+							node, zid, lru);
 					if (ret)
 						break;
 				}
@@ -4734,7 +4734,7 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node)
 {
 	struct mem_cgroup_per_node *pn;
 	struct mem_cgroup_per_zone *mz;
-	enum lru_list l;
+	enum lru_list lru;
 	int zone, tmp = node;
 	/*
 	 * This routine is called against possible nodes.
@@ -4752,8 +4752,8 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node)
 
 	for (zone = 0; zone < MAX_NR_ZONES; zone++) {
 		mz = &pn->zoneinfo[zone];
-		for_each_lru(l)
-			INIT_LIST_HEAD(&mz->lruvec.lists[l]);
+		for_each_lru(lru)
+			INIT_LIST_HEAD(&mz->lruvec.lists[lru]);
 		mz->usage_in_excess = 0;
 		mz->on_tree = false;
 		mz->memcg = memcg;