237 static void p2m_mid_init(unsigned long **mid)  in p2m_mid_init()  argument
242 		mid[i] = p2m_missing;  in p2m_mid_init()
245 static void p2m_mid_mfn_init(unsigned long *mid)  in p2m_mid_mfn_init()  argument
250 		mid[i] = virt_to_mfn(p2m_missing);  in p2m_mid_mfn_init()
293 		unsigned long **mid;  in xen_build_mfn_list_list()  local
296 		mid = p2m_top[topidx];  in xen_build_mfn_list_list()
303 		if (mid == p2m_mid_missing) {  in xen_build_mfn_list_list()
325 		mid_mfn_p[mididx] = virt_to_mfn(mid[mididx]);  in xen_build_mfn_list_list()
369 			unsigned long **mid = extend_brk(PAGE_SIZE, PAGE_SIZE);  in xen_build_dynamic_phys_to_machine()  local
370 			p2m_mid_init(mid);  in xen_build_dynamic_phys_to_machine()
372 			p2m_top[topidx] = mid;  in xen_build_dynamic_phys_to_machine()
436 	unsigned long ***top_p, **mid;  in alloc_p2m()  local
443 	mid = *top_p;  in alloc_p2m()
445 	if (mid == p2m_mid_missing) {  in alloc_p2m()
447 		mid = alloc_p2m_page();  in alloc_p2m()
448 		if (!mid)  in alloc_p2m()
451 		p2m_mid_init(mid);  in alloc_p2m()
453 		if (cmpxchg(top_p, p2m_mid_missing, mid) != p2m_mid_missing)  in alloc_p2m()
454 			free_p2m_page(mid);  in alloc_p2m()
493 		if (cmpxchg(&mid[mididx], p2m_orig, p2m) != p2m_orig)  in alloc_p2m()
564 		unsigned long **mid;  in set_phys_range_identity()  local
566 		mid = p2m_top[topidx];  in set_phys_range_identity()
568 		if (mid == p2m_mid_missing) {  in set_phys_range_identity()
569 			mid = extend_brk(PAGE_SIZE, PAGE_SIZE);  in set_phys_range_identity()
571 			p2m_mid_init(mid);  in set_phys_range_identity()
573 			p2m_top[topidx] = mid;  in set_phys_range_identity()