NR_MEMCG_STOCK
uint8_t nr_pages[NR_MEMCG_STOCK];
struct mem_cgroup *cached[NR_MEMCG_STOCK];
for (i = 0; i < NR_MEMCG_STOCK; ++i) {
for (i = 0; i < NR_MEMCG_STOCK; ++i)
for (i = 0; i < NR_MEMCG_STOCK; ++i) {
if (stock->drain_idx == NR_MEMCG_STOCK)
for (i = 0; i < NR_MEMCG_STOCK; ++i) {