LRU_GEN_ANON
READ_ONCE((lruvec)->lrugen.min_seq[LRU_GEN_ANON]), \
if (min_seq[LRU_GEN_ANON] > seq && min_seq[LRU_GEN_FILE] < seq)
min_seq[LRU_GEN_ANON] = seq;
else if (min_seq[LRU_GEN_FILE] > seq && min_seq[LRU_GEN_ANON] < seq)
return LRU_GEN_ANON;
read_ctrl_pos(lruvec, LRU_GEN_ANON, MAX_NR_TIERS, swappiness, &sp);