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[PATCH] Have ia64 use add_active_range() and free_area_init_nodes

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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>
This commit is contained in:
Mel Gorman
2006-09-27 01:49:54 -07:00
committed by Linus Torvalds
parent 5cb248abf5
commit 05e0caad3b
5 changed files with 40 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
arch/ia64/mm/discontig.c
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@@ -654,6 +654,7 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
{
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 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
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 @@ void __init paging_init(void)
#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));
}