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FromAndi Kleen <>
Subject[PATCH x86 for review III] [4/29] x86_64: clean up sparsemem memory_present call
DateMon, 12 Feb 2007 17:51:23 +0100 (CET)

From: "Bob Picco" <bob.picco@hp.com>

Eliminate arch specific memory_present call x86_64 NUMA by utilizing
sparse_memory_present_with_active_regions.

Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86_64/mm/numa.c | 17 ++---------------
1 file changed, 2 insertions(+), 15 deletions(-)
Index: linux/arch/x86_64/mm/numa.c
===================================================================
--- linux.orig/arch/x86_64/mm/numa.c
+++ linux/arch/x86_64/mm/numa.c
@@ -460,20 +460,6 @@ unsigned long __init numa_free_all_bootm
return pages;
}

-#ifdef CONFIG_SPARSEMEM
-static void __init arch_sparse_init(void)
-{
- int i;
-
- for_each_online_node(i)
- memory_present(i, node_start_pfn(i), node_end_pfn(i));
-
- sparse_init();
-}
-#else
-#define arch_sparse_init() do {} while (0)
-#endif
-
void __init paging_init(void)
{
int i;
@@ -483,7 +469,8 @@ void __init paging_init(void)
max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
max_zone_pfns[ZONE_NORMAL] = end_pfn;

- arch_sparse_init();
+ sparse_memory_present_with_active_regions(MAX_NUMNODES);
+ sparse_init();

for_each_online_node(i) {
setup_node_zones(i);
-
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