203 static unsigned long __prombss alloc_bottom;  variable
1497 	unsigned long base = alloc_bottom;  in alloc_up()
1507 		base = ALIGN(alloc_bottom, align);  in alloc_up()
1509 		base = alloc_bottom;  in alloc_up()
1523 	alloc_bottom = addr + size;  in alloc_up()
1526 	prom_debug("  alloc_bottom : %lx\n", alloc_bottom);  in alloc_up()
1553 		if (addr <= alloc_bottom)  in alloc_down()
1571 	for (; base > alloc_bottom;  in alloc_down()
1585 	prom_debug("  alloc_bottom : %lx\n", alloc_bottom);  in alloc_down()
1723 	alloc_bottom = PAGE_ALIGN((unsigned long)&_end + 0x4000);  in prom_init_mem()
1734 		if (prom_memory_limit <= alloc_bottom) {  in prom_init_mem()
1768 	    prom_initrd_end > alloc_bottom)  in prom_init_mem()
1769 		alloc_bottom = PAGE_ALIGN(prom_initrd_end);  in prom_init_mem()
1774 	prom_printf("  alloc_bottom : %lx\n", alloc_bottom);  in prom_init_mem()
2494 			   alloc_bottom);  in make_room()
2495 		room = alloc_top - alloc_bottom;  in make_room()
2713 	room = alloc_top - alloc_bottom - 0x4000;  in flatten_device_tree()
2716 	prom_debug("starting device tree allocs at %lx\n", alloc_bottom);  in flatten_device_tree()