[PATCH] Have ia64 use add_active_range() and free_area_init_nodes
Size zones and holes in an architecture independent manner for ia64.
[bob.picco@hp.com: fix ia64 FLATMEM+VIRTUAL_MEM_MAP]
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Andi Kleen <ak@muc.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "Keith Mannthey" <kmannth@gmail.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index d260bff..7bd2807 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -654,6 +654,7 @@
{
unsigned long end = start + len;
+ add_active_range(node, start >> PAGE_SHIFT, end >> PAGE_SHIFT);
mem_data[node].num_physpages += len >> PAGE_SHIFT;
if (start <= __pa(MAX_DMA_ADDRESS))
mem_data[node].num_dma_physpages +=
@@ -678,10 +679,10 @@
void __init paging_init(void)
{
unsigned long max_dma;
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long zholes_size[MAX_NR_ZONES];
unsigned long pfn_offset = 0;
+ unsigned long max_pfn = 0;
int node;
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
@@ -698,47 +699,20 @@
#endif
for_each_online_node(node) {
- memset(zones_size, 0, sizeof(zones_size));
- memset(zholes_size, 0, sizeof(zholes_size));
-
num_physpages += mem_data[node].num_physpages;
-
- if (mem_data[node].min_pfn >= max_dma) {
- /* All of this node's memory is above ZONE_DMA */
- zones_size[ZONE_NORMAL] = mem_data[node].max_pfn -
- mem_data[node].min_pfn;
- zholes_size[ZONE_NORMAL] = mem_data[node].max_pfn -
- mem_data[node].min_pfn -
- mem_data[node].num_physpages;
- } else if (mem_data[node].max_pfn < max_dma) {
- /* All of this node's memory is in ZONE_DMA */
- zones_size[ZONE_DMA] = mem_data[node].max_pfn -
- mem_data[node].min_pfn;
- zholes_size[ZONE_DMA] = mem_data[node].max_pfn -
- mem_data[node].min_pfn -
- mem_data[node].num_dma_physpages;
- } else {
- /* This node has memory in both zones */
- zones_size[ZONE_DMA] = max_dma -
- mem_data[node].min_pfn;
- zholes_size[ZONE_DMA] = zones_size[ZONE_DMA] -
- mem_data[node].num_dma_physpages;
- zones_size[ZONE_NORMAL] = mem_data[node].max_pfn -
- max_dma;
- zholes_size[ZONE_NORMAL] = zones_size[ZONE_NORMAL] -
- (mem_data[node].num_physpages -
- mem_data[node].num_dma_physpages);
- }
-
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);
+ if (mem_data[node].max_pfn > max_pfn)
+ max_pfn = mem_data[node].max_pfn;
}
+ max_zone_pfns[ZONE_DMA] = max_dma;
+ max_zone_pfns[ZONE_NORMAL] = max_pfn;
+ free_area_init_nodes(max_zone_pfns);
+
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}