tag	line	file	source code
freeswap	42	fs/proc/array.c	i.totalswap, i.totalswap-i.freeswap, i.freeswap);
freeswap	38	include/linux/kernel.h	unsigned long freeswap;    /* swap space still available */
freeswap	714	mm/swap.c	val->freeswap = val->totalswap = 0;
freeswap	723	mm/swap.c	++val->freeswap;
freeswap	728	mm/swap.c	val->freeswap <<= PAGE_SHIFT;