taglinefilesource code
nr_free_pages175arch/alpha/mm/init.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages187arch/alpha/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages251arch/i386/mm/init.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages278arch/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_pages256arch/ppc/mm/init.ctmp = nr_free_pages << PAGE_SHIFT;
nr_free_pages275arch/ppc/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages169arch/sparc/kernel/sys_sunos.cfreepages += nr_free_pages;
nr_free_pages185arch/sparc/mm/init.ctmp2 = nr_free_pages << PAGE_SHIFT;
nr_free_pages217arch/sparc/mm/init.cval->freeram = nr_free_pages << PAGE_SHIFT;
nr_free_pages545fs/buffer.cwhile (nr_free_pages > min_free_pages*2 && needed > 0 &&
nr_free_pages689fs/buffer.cif (nr_free_pages > min_free_pages + 5) {
nr_free_pages1727fs/buffer.cif (nr_free_pages > min_free_pages*2) 
nr_free_pages123include/linux/mm.hextern int nr_free_pages;
nr_free_pages455kernel/sys.cfreepages += nr_free_pages;
nr_free_pages58mm/memory.cint nr_free_pages = 0;
nr_free_pages737mm/swap.cnr_free_pages += 1 << order;
nr_free_pages802mm/swap.cnr_free_pages -= 1 << order; \
nr_free_pages851mm/swap.cif ((priority==GFP_ATOMIC) || nr_free_pages > reserved_pages) {
nr_free_pages872mm/swap.cprintk("Free pages:      %6dkB\n ( ",nr_free_pages<<(PAGE_SHIFT-10));