X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fia64%2Fmm%2Fnuma.c;h=7807fc5c04224fcad33d98a83d96a48a1df25423;hb=946b92437e550d6ed80213bf54a1f383e141aede;hp=64e4c21f311cdc7f328165b18ae189e07476f885;hpb=0a1340c185734a57fbf4775927966ad4a1347b02;p=linux-2.6

diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index 64e4c21f31..7807fc5c04 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -16,6 +16,7 @@
 #include <linux/node.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/module.h>
 #include <asm/mmzone.h>
 #include <asm/numa.h>
 
@@ -69,4 +70,21 @@ int early_pfn_to_nid(unsigned long pfn)
 
 	return 0;
 }
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+/*
+ *  SRAT information is stored in node_memblk[], then we can use SRAT
+ *  information at memory-hot-add if necessary.
+ */
+
+int memory_add_physaddr_to_nid(u64 addr)
+{
+	int nid = paddr_to_nid(addr);
+	if (nid < 0)
+		return 0;
+	return nid;
+}
+
+EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
+#endif
 #endif