LRU
PAGEFLAG(LRU, lru, PF_HEAD) __CLEARPAGEFLAG(LRU, lru, PF_HEAD)
TESTCLEARFLAG(LRU, lru, PF_HEAD)
} else if (*key == LRU) {
for (i = LRU + 1;
if (*key != LRU)
int lru_key = LRU;
int lru_key = LRU;