taglinefilesource code
nr_free_pages516fs/buffer.cwhile (nr_free_pages > min_free_pages && needed > 0 &&
nr_free_pages659fs/buffer.cif (nr_free_pages > 5) {
nr_free_pages1575fs/buffer.cif (nr_free_pages > min_free_pages) 
nr_free_pages116include/linux/mm.hextern int nr_free_pages;
nr_free_pages397kernel/sys.cfreepages += nr_free_pages;
nr_free_pages71mm/memory.cint nr_free_pages = 0;
nr_free_pages1235mm/memory.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages1264mm/memory.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages589mm/swap.cnr_free_pages += 1 << order;
nr_free_pages647mm/swap.cnr_free_pages -= 1 << order; \
nr_free_pages686mm/swap.cif ((priority==GFP_ATOMIC) || nr_free_pages > MAX_SECONDARY_PAGES) {
nr_free_pages707mm/swap.cprintk("Free pages:      %6dkB\n ( ",nr_free_pages<<(PAGE_SHIFT-10));