taglinefilesource code
nr_free_pages519fs/buffer.cwhile (nr_free_pages > min_free_pages*2 && needed > 0 &&
nr_free_pages662fs/buffer.cif (nr_free_pages > 5) {
nr_free_pages1589fs/buffer.cif (nr_free_pages > min_free_pages*2) 
nr_free_pages127include/linux/mm.hextern int nr_free_pages;
nr_free_pages424kernel/sys.cfreepages += nr_free_pages;
nr_free_pages71mm/memory.cint nr_free_pages = 0;
nr_free_pages1240mm/memory.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages1269mm/memory.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages560mm/swap.cnr_free_pages += 1 << order;
nr_free_pages623mm/swap.cnr_free_pages -= 1 << order; \
nr_free_pages666mm/swap.cif ((priority==GFP_ATOMIC) || nr_free_pages > reserved_pages) {
nr_free_pages714mm/swap.cprintk("Free pages:      %6dkB\n ( ",nr_free_pages<<(PAGE_SHIFT-10));