Re: node_online_map patch kills x86_64

[Andi Kleen <ak@muc.de>]

> SRAT: PXM 0 -> APIC 0 -> Node 1
> SRAT: PXM 1 -> APIC 1 -> Node 2
> SRAT: Node 1 PXM 0 0-9ffff
> SRAT: Node 1 PXM 0 0-3fffffff
> SRAT: Node 2 PXM 1 40000000-7fffffff
> Bootmem setup node 1 0000000000000000-000000003fffffff
> Bootmem setup node 2 0000000040000000-000000007ff5ffff
> No mptable found.
> PANIC: early exception rip ffffffff8078b2e3 error 0 cr2 17c497a67

Can you please test if this patch fixes the problem? 

Thanks, 
-Andi


Fix SRAT NUMA parsing

Fix fallout from the recent nodemask_t changes. The node ids assigned 
in the SRAT parser were off by one.

Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux/arch/x86_64/mm/srat.c
===================================================================
--- linux.orig/arch/x86_64/mm/srat.c	2005-01-09 18:19:17.%N +0100
+++ linux/arch/x86_64/mm/srat.c	2005-01-12 02:43:54.%N +0100
@@ -29,8 +29,8 @@
 	if (pxm2node[pxm] == 0xff) {
 		if (num_online_nodes() >= MAX_NUMNODES)
 			return -1;
-		pxm2node[pxm] = num_online_nodes();
-		node_set_online(num_online_nodes());
+		pxm2node[pxm] = num_online_nodes() - 1;
+		node_set_online(pxm2node[pxm]);
 	}
 	return pxm2node[pxm];
 }