On Tue, 28 Dec 2010, Tejun Heo wrote:

quoted text
> diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
> index a35cb9d..1af9c6e 100644
> --- a/arch/x86/mm/srat_64.c
> +++ b/arch/x86/mm/srat_64.c
> @@ -79,7 +79,7 @@ static __init void bad_srat(void)
>  	printk(KERN_ERR "SRAT: SRAT not used.\n");
>  	acpi_numa = -1;
>  	for (i = 0; i < MAX_LOCAL_APIC; i++)
> -		apicid_to_node[i] = NUMA_NO_NODE;
> +		set_apicid_to_node(i, NUMA_NO_NODE);
>  	for (i = 0; i < MAX_NUMNODES; i++) {
>  		nodes[i].start = nodes[i].end = 0;
>  		nodes_add[i].start = nodes_add[i].end = 0;
> @@ -134,7 +134,7 @@ acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
>  	}
>  
>  	apic_id = pa->apic_id;
> -	apicid_to_node[apic_id] = node;
> +	set_apicid_to_node(apic_id, node);
>  	node_set(node, cpu_nodes_parsed);
>  	acpi_numa = 1;
>  	printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%04x -> Node %u\n",
> @@ -168,7 +168,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
>  		apic_id = (pa->apic_id << 8) | pa->local_sapic_eid;
>  	else
>  		apic_id = pa->apic_id;
> -	apicid_to_node[apic_id] = node;
> +	set_apicid_to_node(apic_id, node);
>  	node_set(node, cpu_nodes_parsed);
>  	acpi_numa = 1;
>  	printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%02x -> Node %u\n",
> @@ -512,13 +512,13 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes)
>  		 * node, it must now point to the fake node ID.
>  		 */
>  		for (j = 0; j < MAX_LOCAL_APIC; j++)
> -			if (apicid_to_node[j] == nid &&
> +			if (__apicid_to_node[j] == nid &&
>  			    fake_apicid_to_node[j] == NUMA_NO_NODE)
>  				fake_apicid_to_node[j] = i;
>  	}
>  	for (i = 0; i < num_nodes; i++)
>  		__acpi_map_pxm_to_node(fake_node_to_pxm_map[i], i);
> -	memcpy(apicid_to_node, fake_apicid_to_node, sizeof(apicid_to_node));
> +	memcpy(__apicid_to_node, fake_apicid_to_node, sizeof(__apicid_to_node));
>  
>  	nodes_clear(nodes_parsed);
>  	for (i = 0; i < num_nodes; i++)

This is going to conflict with a387e95a ("") in x86/numa, so you'll need 
the following hunk for acpi_fake_nodes().  I'm not sure why this patchset 
is being based on x86/apic-cleanup rather than x86/numa?

diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -511,7 +511,7 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes
                 * node, it must now point to the fake node ID.
                 */
                for (j = 0; j < MAX_LOCAL_APIC; j++)
-                       if (apicid_to_node[j] == nid &&
+                       if (__apicid_to_node[j] == nid &&
                            fake_apicid_to_node[j] == NUMA_NO_NODE)
                                fake_apicid_to_node[j] = i;
        }
@@ -522,13 +522,13 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nod
         * value.
         */
        for (i = 0; i < MAX_LOCAL_APIC; i++)
-               if (apicid_to_node[i] != NUMA_NO_NODE &&
+               if (__apicid_to_node[i] != NUMA_NO_NODE &&
                    fake_apicid_to_node[i] == NUMA_NO_NODE)
                        fake_apicid_to_node[i] = 0;
 
        for (i = 0; i < num_nodes; i++)
                __acpi_map_pxm_to_node(fake_node_to_pxm_map[i], i);
-       memcpy(apicid_to_node, fake_apicid_to_node, sizeof(apicid_to_node));
+       memcpy(__apicid_to_node, fake_apicid_to_node, sizeof(__apicid_to_node));
 
        nodes_clear(nodes_parsed);
        for (i = 0; i < num_nodes; i++)
--
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