diff options
| author | Andi Kleen <ak@suse.de> | 2005-09-12 18:49:24 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-12 10:49:57 -0700 |
| commit | 69e1a33f62eff9b228a8cc2c3e4429dbee8966c9 (patch) | |
| tree | 985f088d05f2d936cfafa5dd0232aa59391dc663 /arch/x86_64/mm/srat.c | |
| parent | 413588c7cb8113c03d0044f1d41b832ad7201c29 (diff) | |
[PATCH] x86-64: Use ACPI PXM to parse PCI<->node assignments
Since this is shared code I had to implement it for i386 too
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/mm/srat.c')
| -rw-r--r-- | arch/x86_64/mm/srat.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 92f6ec79b23..db6b073a149 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -25,6 +25,13 @@ static nodemask_t nodes_found __initdata; static struct node nodes[MAX_NUMNODES] __initdata; static __u8 pxm2node[256] = { [0 ... 255] = 0xff }; +int pxm_to_node(int pxm) +{ + if ((unsigned)pxm >= 256) + return 0; + return pxm2node[pxm]; +} + static __init int setup_node(int pxm) { unsigned node = pxm2node[pxm]; |