440 static u64 *check_realloc_usable_mem(struct umem_info *um_info, int cnt)  in check_realloc_usable_mem()  argument
445 	if ((um_info->idx + cnt) <= um_info->max_entries)  in check_realloc_usable_mem()
446 		return um_info->buf;  in check_realloc_usable_mem()
448 	new_size = um_info->size + MEM_RANGE_CHUNK_SZ;  in check_realloc_usable_mem()
449 	tbuf = krealloc(um_info->buf, new_size, GFP_KERNEL);  in check_realloc_usable_mem()
451 		um_info->buf = tbuf;  in check_realloc_usable_mem()
452 		um_info->size = new_size;  in check_realloc_usable_mem()
453 		um_info->max_entries = (um_info->size / sizeof(u64));  in check_realloc_usable_mem()
468 static int add_usable_mem(struct umem_info *um_info, u64 base, u64 end)  in add_usable_mem()  argument
474 	for (i = 0; i < um_info->nr_ranges; i++) {  in add_usable_mem()
476 		loc_base = um_info->ranges[i].start;  in add_usable_mem()
477 		loc_end = um_info->ranges[i].end;  in add_usable_mem()
489 			if (!check_realloc_usable_mem(um_info, 2))  in add_usable_mem()
492 			um_info->buf[um_info->idx++] = cpu_to_be64(loc_base);  in add_usable_mem()
493 			um_info->buf[um_info->idx++] =  in add_usable_mem()
514 	struct umem_info *um_info;  in kdump_setup_usable_lmb()  local
527 	um_info = data;  in kdump_setup_usable_lmb()
528 	tmp_idx = um_info->idx;  in kdump_setup_usable_lmb()
529 	if (!check_realloc_usable_mem(um_info, 1))  in kdump_setup_usable_lmb()
532 	um_info->idx++;  in kdump_setup_usable_lmb()
535 	ret = add_usable_mem(um_info, base, end);  in kdump_setup_usable_lmb()
541 		um_info->buf[tmp_idx] =  in kdump_setup_usable_lmb()
542 				cpu_to_be64((um_info->idx - tmp_idx - 1) / 2);  in kdump_setup_usable_lmb()
559 				   struct umem_info *um_info)  in add_usable_mem_property()  argument
590 	um_info->idx  = 0;  in add_usable_mem_property()
591 	if (!check_realloc_usable_mem(um_info, 2)) {  in add_usable_mem_property()
614 		ret = add_usable_mem(um_info, base, end);  in add_usable_mem_property()
624 	if (um_info->idx == 0) {  in add_usable_mem_property()
625 		um_info->buf[0] = 0;  in add_usable_mem_property()
626 		um_info->buf[1] = 0;  in add_usable_mem_property()
627 		um_info->idx = 2;  in add_usable_mem_property()
630 	ret = fdt_setprop(fdt, node, "linux,usable-memory", um_info->buf,  in add_usable_mem_property()
631 			  (um_info->idx * sizeof(u64)));  in add_usable_mem_property()
650 	struct umem_info um_info;  in update_usable_mem_fdt()  local
667 	um_info.buf  = NULL;  in update_usable_mem_fdt()
668 	um_info.size = 0;  in update_usable_mem_fdt()
669 	um_info.max_entries = 0;  in update_usable_mem_fdt()
670 	um_info.idx  = 0;  in update_usable_mem_fdt()
672 	um_info.ranges = &(usable_mem->ranges[0]);  in update_usable_mem_fdt()
673 	um_info.nr_ranges = usable_mem->nr_ranges;  in update_usable_mem_fdt()
677 		ret = walk_drmem_lmbs(dn, &um_info, kdump_setup_usable_lmb);  in update_usable_mem_fdt()
686 				  um_info.buf, (um_info.idx * sizeof(u64)));  in update_usable_mem_fdt()
698 		ret = add_usable_mem_property(fdt, dn, &um_info);  in update_usable_mem_fdt()
707 	kfree(um_info.buf);  in update_usable_mem_fdt()