swapin_readahead_hits 97 mm/swap_state.c static atomic_t swapin_readahead_hits = ATOMIC_INIT(4); swapin_readahead_hits 352 mm/swap_state.c atomic_inc(&swapin_readahead_hits); swapin_readahead_hits 511 mm/swap_state.c hits = atomic_xchg(&swapin_readahead_hits, 0);