[PATCH] Have x86 use add_active_range() and free_area_init_nodes

[safe/jmp/linux-2.6] / arch / i386 / mm / discontig.c

diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c
index 941d1a5..51e3739 100644 (file)
--- a/arch/i386/mm/discontig.c
+++ b/arch/i386/mm/discontig.c
@@ -157,21 +157,6 @@ static void __init find_max_pfn_node(int nid)
                BUG();
 }
 
-/* Find the owning node for a pfn. */
-int early_pfn_to_nid(unsigned long pfn)
-{
-       int nid;
-
-       for_each_node(nid) {
-               if (node_end_pfn[nid] == 0)
-                       break;
-               if (node_start_pfn[nid] <= pfn && node_end_pfn[nid] >= pfn)
-                       return nid;
-       }
-
-       return 0;
-}
-
 /* 
  * Allocate memory for the pg_data_t for this node via a crude pre-bootmem
  * method.  For node zero take this from the bottom of memory, for
@@ -227,6 +212,8 @@ static unsigned long calculate_numa_remap_pages(void)
        unsigned long pfn;
 
        for_each_online_node(nid) {
+               unsigned old_end_pfn = node_end_pfn[nid];
+
                /*
                 * The acpi/srat node info can show hot-add memroy zones
                 * where memory could be added but not currently present.
@@ -276,6 +263,7 @@ static unsigned long calculate_numa_remap_pages(void)
 
                node_end_pfn[nid] -= size;
                node_remap_start_pfn[nid] = node_end_pfn[nid];
+               shrink_active_range(nid, old_end_pfn, node_end_pfn[nid]);
        }
        printk("Reserving total of %ld pages for numa KVA remap\n",
                        reserve_pages);
@@ -369,45 +357,22 @@ void __init numa_kva_reserve(void)
 void __init zone_sizes_init(void)
 {
        int nid;
-
-
-       for_each_online_node(nid) {
-               unsigned long zones_size[MAX_NR_ZONES] = {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] = {
+               virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT,
+               max_low_pfn,
+               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]);
                }
-
-               zholes_size = get_zholes_size(nid);
-
-               free_area_init_node(nid, NODE_DATA(nid), zones_size, start,
-                               zholes_size);
        }
+
+       free_area_init_nodes(max_zone_pfns);
        return;
 }