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[PATCH] x86_64: Return -1 for unknown PCI bus affinity

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When we don't know the node a PCI bus is connected to return -1.
This matches the generic code.

Noticed by Ravikiran G Thirumalai <kiran@scalex86.org>

Cc: Ravikiran G Thirumalai <kiran@scalex86.org>

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-01-11 22:43:48 +01:00 committed by Linus Torvalds
parent 819a692804
commit e4e94072d9
1 changed files with 4 additions and 3 deletions
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7
arch/x86_64/mm/srat.c
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@ -23,15 +23,16 @@ static struct acpi_table_slit *acpi_slit;
static nodemask_t nodes_parsed __initdata;
static nodemask_t nodes_found __initdata;
static struct node nodes[MAX_NUMNODES] __initdata;
static __u8 pxm2node[256] = { [0 ... 255] = 0xff };
static u8 pxm2node[256] = { [0 ... 255] = 0xff };
static int node_to_pxm(int n);
int pxm_to_node(int pxm)
{
if ((unsigned)pxm >= 256)
return 0;
return pxm2node[pxm];
return -1;
/* Extend 0xff to (int)-1 */
return (signed char)pxm2node[pxm];
}
static __init int setup_node(int pxm)