1 files changed, 31 insertions, 4 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 4722ec51c70c..a4e218ce2edb 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -420,6 +420,26 @@ int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
 int __initdata nid_to_pxm_map[MAX_NUMNODES];
 static struct acpi_table_slit __initdata *slit_table;
 
+static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
+{
+        int pxm;
+
+        pxm = pa->proximity_domain;
+        if (ia64_platform_is("sn2"))
+                pxm += pa->reserved[0] << 8;
+        return pxm;
+}
+
+static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
+{
+        int pxm;
+
+        pxm = ma->proximity_domain;
+        if (ia64_platform_is("sn2"))
+                pxm += ma->reserved1[0] << 8;
+        return pxm;
+}
+
 /*
  * ACPI 2.0 SLIT (System Locality Information Table)
  * http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf
@@ -443,13 +463,20 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 void __init
 acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
 {
+        int pxm;
+
+        if (!pa->flags.enabled)
+                return;
+
+        pxm = get_processor_proximity_domain(pa);
+
         /* record this node in proximity bitmap */
-        pxm_bit_set(pa->proximity_domain);
+        pxm_bit_set(pxm);
 
         node_cpuid[srat_num_cpus].phys_id =
             (pa->apic_id << 8) | (pa->lsapic_eid);
         /* nid should be overridden as logical node id later */
-        node_cpuid[srat_num_cpus].nid = pa->proximity_domain;
+        node_cpuid[srat_num_cpus].nid = pxm;
         srat_num_cpus++;
 }
 
@@ -457,10 +484,10 @@ void __init
 acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
 {
         unsigned long paddr, size;
-        u8 pxm;
+        int pxm;
         struct node_memblk_s *p, *q, *pend;
 
-        pxm = ma->proximity_domain;
+        pxm = get_memory_proximity_domain(ma);
 
         /* fill node memory chunk structure */
         paddr = ma->base_addr_hi;