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Diffstat (limited to 'arch/ia64/mm/discontig.c')
-rw-r--r--arch/ia64/mm/discontig.c50
1 files changed, 47 insertions, 3 deletions
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index b5c90e54819..a88cdb7232f 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -421,6 +421,37 @@ static void __init memory_less_nodes(void)
return;
}
+#ifdef CONFIG_SPARSEMEM
+/**
+ * register_sparse_mem - notify SPARSEMEM that this memory range exists.
+ * @start: physical start of range
+ * @end: physical end of range
+ * @arg: unused
+ *
+ * Simply calls SPARSEMEM to register memory section(s).
+ */
+static int __init register_sparse_mem(unsigned long start, unsigned long end,
+ void *arg)
+{
+ int nid;
+
+ start = __pa(start) >> PAGE_SHIFT;
+ end = __pa(end) >> PAGE_SHIFT;
+ nid = early_pfn_to_nid(start);
+ memory_present(nid, start, end);
+
+ return 0;
+}
+
+static void __init arch_sparse_init(void)
+{
+ efi_memmap_walk(register_sparse_mem, NULL);
+ sparse_init();
+}
+#else
+#define arch_sparse_init() do {} while (0)
+#endif
+
/**
* find_memory - walk the EFI memory map and setup the bootmem allocator
*
@@ -524,12 +555,18 @@ void show_mem(void)
show_free_areas();
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
for_each_pgdat(pgdat) {
- unsigned long present = pgdat->node_present_pages;
+ unsigned long present;
+ unsigned long flags;
int shared = 0, cached = 0, reserved = 0;
+
printk("Node ID: %d\n", pgdat->node_id);
+ pgdat_resize_lock(pgdat, &flags);
+ present = pgdat->node_present_pages;
for(i = 0; i < pgdat->node_spanned_pages; i++) {
- struct page *page = pgdat_page_nr(pgdat, i);
- if (!ia64_pfn_valid(pgdat->node_start_pfn+i))
+ struct page *page;
+ if (pfn_valid(pgdat->node_start_pfn + i))
+ page = pfn_to_page(pgdat->node_start_pfn + i);
+ else
continue;
if (PageReserved(page))
reserved++;
@@ -538,6 +575,7 @@ void show_mem(void)
else if (page_count(page))
shared += page_count(page)-1;
}
+ pgdat_resize_unlock(pgdat, &flags);
total_present += present;
total_reserved += reserved;
total_cached += cached;
@@ -648,12 +686,16 @@ void __init paging_init(void)
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
+ arch_sparse_init();
+
efi_memmap_walk(filter_rsvd_memory, count_node_pages);
+#ifdef CONFIG_VIRTUAL_MEM_MAP
vmalloc_end -= PAGE_ALIGN(max_low_pfn * sizeof(struct page));
vmem_map = (struct page *) vmalloc_end;
efi_memmap_walk(create_mem_map_page_table, NULL);
printk("Virtual mem_map starts at 0x%p\n", vmem_map);
+#endif
for_each_online_node(node) {
memset(zones_size, 0, sizeof(zones_size));
@@ -690,7 +732,9 @@ void __init paging_init(void)
pfn_offset = mem_data[node].min_pfn;
+#ifdef CONFIG_VIRTUAL_MEM_MAP
NODE_DATA(node)->node_mem_map = vmem_map + pfn_offset;
+#endif
free_area_init_node(node, NODE_DATA(node), zones_size,
pfn_offset, zholes_size);
}