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Message-Id: <200808111254.23693.yhlu.kernel@gmail.com>
Date: Mon, 11 Aug 2008 12:54:23 -0700
From: Yinghai Lu <yhlu.kernel@...il.com>
To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] x86: don't call e820_regiter_active_regions if out of range on node
so don't get warning on 32bit system with 64g more
Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
---
arch/x86/mm/srat_32.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
Index: linux-2.6/arch/x86/mm/srat_32.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/srat_32.c
+++ linux-2.6/arch/x86/mm/srat_32.c
@@ -178,7 +178,7 @@ void acpi_numa_arch_fixup(void)
* start of the node, and that the current "end" address is after
* the previous one.
*/
-static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
+static __init int node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
{
/*
* Only add present memory as told by the e820.
@@ -189,10 +189,10 @@ static __init void node_read_chunk(int n
if (memory_chunk->start_pfn >= max_pfn) {
printk(KERN_INFO "Ignoring SRAT pfns: %08lx - %08lx\n",
memory_chunk->start_pfn, memory_chunk->end_pfn);
- return;
+ return -1;
}
if (memory_chunk->nid != nid)
- return;
+ return -1;
if (!node_has_online_mem(nid))
node_start_pfn[nid] = memory_chunk->start_pfn;
@@ -202,6 +202,8 @@ static __init void node_read_chunk(int n
if (node_end_pfn[nid] < memory_chunk->end_pfn)
node_end_pfn[nid] = memory_chunk->end_pfn;
+
+ return 0;
}
int __init get_memcfg_from_srat(void)
@@ -259,7 +261,9 @@ int __init get_memcfg_from_srat(void)
printk(KERN_DEBUG
"chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
j, chunk->nid, chunk->start_pfn, chunk->end_pfn);
- node_read_chunk(chunk->nid, chunk);
+ if (node_read_chunk(chunk->nid, chunk))
+ continue;
+
e820_register_active_regions(chunk->nid, chunk->start_pfn,
min(chunk->end_pfn, max_pfn));
}
--
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