-
- /*
- * Insert nodes into pgdat_list backward so they appear in order.
- * Clobber node 0's links and NULL out pgdat_list before starting.
- */
- pgdat_list = NULL;
- for (nid = MAX_NUMNODES - 1; nid >= 0; nid--) {
- if (!node_online(nid))
- continue;
- NODE_DATA(nid)->pgdat_next = pgdat_list;
- pgdat_list = NODE_DATA(nid);
- }
-
- for_each_online_node(nid) {
- unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
- unsigned long *zholes_size;
- unsigned int max_dma;
-
- unsigned long low = max_low_pfn;
- unsigned long start = node_start_pfn[nid];
- unsigned long high = node_end_pfn[nid];
-
- max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-
- if (node_has_online_mem(nid)){
- if (start > low) {
-#ifdef CONFIG_HIGHMEM
- BUG_ON(start > high);
- zones_size[ZONE_HIGHMEM] = high - start;
-#endif
- } else {
- if (low < max_dma)
- zones_size[ZONE_DMA] = low;
- else {
- BUG_ON(max_dma > low);
- BUG_ON(low > high);
- zones_size[ZONE_DMA] = max_dma;
- zones_size[ZONE_NORMAL] = low - max_dma;
-#ifdef CONFIG_HIGHMEM
- zones_size[ZONE_HIGHMEM] = high - low;
-#endif
- }
- }
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+ max_zone_pfns[ZONE_DMA] =
+ virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
+
+ /* If SRAT has not registered memory, register it now */
+ if (find_max_pfn_with_active_regions() == 0) {
+ for_each_online_node(nid) {
+ if (node_has_online_mem(nid))
+ add_active_range(nid, node_start_pfn[nid],
+ node_end_pfn[nid]);