taglinefilesource code
nr_free_pages176arch/alpha/mm/init.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages188arch/alpha/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages205arch/i386/mm/init.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages234arch/i386/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages223arch/mips/mm/init.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages243arch/mips/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages231arch/sparc/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages522fs/buffer.cwhile (nr_free_pages > min_free_pages*2 && needed > 0 &&
nr_free_pages665fs/buffer.cif (nr_free_pages > 5) {
nr_free_pages1599fs/buffer.cif (nr_free_pages > min_free_pages*2) 
nr_free_pages136include/linux/mm.hextern int nr_free_pages;
nr_free_pages420kernel/sys.cfreepages += nr_free_pages;
nr_free_pages58mm/memory.cint nr_free_pages = 0;
nr_free_pages574mm/swap.cnr_free_pages += 1 << order;
nr_free_pages637mm/swap.cnr_free_pages -= 1 << order; \
nr_free_pages680mm/swap.cif ((priority==GFP_ATOMIC) || nr_free_pages > reserved_pages) {
nr_free_pages728mm/swap.cprintk("Free pages:      %6dkB\n ( ",nr_free_pages<<(PAGE_SHIFT-10));