MAX_LRU_BATCH
if (need_resched() || walk->batched >= MAX_LRU_BATCH) {
int remaining = MAX_LRU_BATCH;
VM_WARN_ON_ONCE(nr_to_scan > MAX_LRU_BATCH);
int remaining = MAX_LRU_BATCH;
int remaining = MAX_LRU_BATCH;
nr_batch = min(nr_to_reclaim - sc->nr_reclaimed, MAX_LRU_BATCH);