linux-kernel - [PATCH] [25/26] x86_64: x86-64 system crashes when no memory populating Node 0

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Message-Id: <20070429234635.62EDA150F2@wotan.suse.de>
Date:	Mon, 30 Apr 2007 01:46:35 +0200 (CEST)
From:	Andi Kleen <ak@...e.de>
To:	James Puthukattukaran <James.Puthukattukaran@....com>,
	Andi Kleen <ak@...e.de>, patches@...-64.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [25/26] x86_64: x86-64 system crashes when no memory populating Node 0


From: James Puthukattukaran <James.Puthukattukaran@....com>

I have a 4 socket AMD Operton system. The 2.6.18 kernel I have crashes
when there is no memory in node0.

AK: changed call to _nopanic

Cc: Andi Kleen <ak@...e.de>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Andi Kleen <ak@...e.de>

---

 arch/x86_64/kernel/aperture.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Index: linux/arch/x86_64/kernel/aperture.c
===================================================================
--- linux.orig/arch/x86_64/kernel/aperture.c
+++ linux/arch/x86_64/kernel/aperture.c
@@ -51,7 +51,6 @@ static void __init insert_aperture_resou
 
 static u32 __init allocate_aperture(void) 
 {
-	pg_data_t *nd0 = NODE_DATA(0);
 	u32 aper_size;
 	void *p; 
 
@@ -65,12 +64,12 @@ static u32 __init allocate_aperture(void
 	 * Unfortunately we cannot move it up because that would make the
 	 * IOMMU useless.
 	 */
-	p = __alloc_bootmem_node(nd0, aper_size, aper_size, 0); 
+	p = __alloc_bootmem_nopanic(aper_size, aper_size, 0);
 	if (!p || __pa(p)+aper_size > 0xffffffff) {
 		printk("Cannot allocate aperture memory hole (%p,%uK)\n",
 		       p, aper_size>>10);
 		if (p)
-			free_bootmem_node(nd0, __pa(p), aper_size); 
+			free_bootmem(__pa(p), aper_size);
 		return 0;
 	}
 	printk("Mapping aperture over %d KB of RAM @ %lx\n",
-
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