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

From: Andi Kleen
Date: Sun Apr 29 2007 - 19:47:21 EST



From: James Puthukattukaran <James.Puthukattukaran@xxxxxxx>

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@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---

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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