taglinefilesource code
swap_cache_add_success255include/linux/mm.hextern unsigned long swap_cache_add_success;
swap_cache_add_success55mm/swap.cunsigned long swap_cache_add_success = 0;
swap_cache_add_success64mm/swap.cswap_cache_add_total, swap_cache_add_success, 
swap_cache_add_success89mm/swap.cswap_cache_add_success++;