From: Bob Picco <bob.picco@hp.com>
Date: Tue, 13 Feb 2007 12:26:25 +0000 (+0100)
Subject: [PATCH] x86-64: clean up sparsemem memory_present call
X-Git-Tag: v2.6.21-rc1~184^2~24
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0a5a58aa812b31fd9f197c4ba48245942364eae;p=linux-2.6

[PATCH] x86-64: clean up sparsemem memory_present call

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>
---

diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index d3f747dd61..41b8fb0699 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -460,20 +460,6 @@ unsigned long __init numa_free_all_bootmem(void)
 	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);