Merge branch 'linus' into x86/cleanups

[~andy/linux] / arch / x86 / mm / srat_64.c

diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 3890234e5b2629f54f1449224510ba612d58ba68..391d5103587172dca902e760159aba7a0ebbc127 100644 (file)
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -97,36 +97,9 @@ static __init inline int srat_disabled(void)
        return numa_off || acpi_numa < 0;
 }
 
-/*
- * A lot of BIOS fill in 10 (= no distance) everywhere. This messes
- * up the NUMA heuristics which wants the local node to have a smaller
- * distance than the others.
- * Do some quick checks here and only use the SLIT if it passes.
- */
-static __init int slit_valid(struct acpi_table_slit *slit)
-{
-       int i, j;
-       int d = slit->locality_count;
-       for (i = 0; i < d; i++) {
-               for (j = 0; j < d; j++)  {
-                       u8 val = slit->entry[d*i + j];
-                       if (i == j) {
-                               if (val != LOCAL_DISTANCE)
-                                       return 0;
-                       } else if (val <= LOCAL_DISTANCE)
-                               return 0;
-               }
-       }
-       return 1;
-}
-
 /* Callback for SLIT parsing */
 void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 {
-       if (!slit_valid(slit)) {
-               printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
-               return;
-       }
        acpi_slit = slit;
 }
 
@@ -522,6 +495,7 @@ int __node_distance(int a, int b)
 
 EXPORT_SYMBOL(__node_distance);
 
+#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) || defined(CONFIG_ACPI_HOTPLUG_MEMORY)
 int memory_add_physaddr_to_nid(u64 start)
 {
        int i, ret = 0;
@@ -533,4 +507,4 @@ int memory_add_physaddr_to_nid(u64 start)
        return ret;
 }
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
-
+#endif