RMAP_LOG_SIZE
log[i] = kcalloc(RMAP_LOG_SIZE, sizeof(unsigned int), GFP_KERNEL);
if (WARN_ON_ONCE(index >= RMAP_LOG_SIZE))
index = RMAP_LOG_SIZE - 1;
for (i = 2; i < RMAP_LOG_SIZE; i++) {
for (j = 0; j < RMAP_LOG_SIZE; j++)