tag	line	file	source code
freeswap	68	fs/proc/array.c	i.totalswap, i.totalswap-i.freeswap, i.freeswap);
freeswap	42	include/linux/kernel.h	unsigned long freeswap;    /* swap space still available */
freeswap	707	mm/swap.c	val->freeswap = val->totalswap = 0;
freeswap	716	mm/swap.c	++val->freeswap;
freeswap	721	mm/swap.c	val->freeswap <<= PAGE_SHIFT;