From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 1 Jun 2008 05:53:47 +0000 (-0700)
Subject: x86: set node_remap_size[0] in fallback path
X-Git-Tag: v2.6.27-rc1~1106^2~247^2~58
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b66cd7207387b9b428aaf1988e21dd263c6a4928;p=linux-2.6

x86: set node_remap_size[0] in fallback path

... otherwise alloc_remap will not get node_mem_map from kva area, and
alloc_node_mem_map has to alloc_bootmem_node to get mem_map.
It will use two low address copies ...

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c
index 922af20d1d..98b099eeab 100644
--- a/arch/x86/mm/discontig_32.c
+++ b/arch/x86/mm/discontig_32.c
@@ -124,6 +124,7 @@ int __init get_memcfg_numa_flat(void)
 	node_start_pfn[0] = 0;
 	node_end_pfn[0] = max_pfn;
 	memory_present(0, 0, max_pfn);
+	node_remap_size[0] = node_memmap_size_bytes(0, 0, max_pfn);
 
         /* Indicate there is one node available. */
 	nodes_clear(node_online_map);