[PATCH] powerpc: numa placement for dynamically added memory
This places dynamically added memory within the appropriate
numa node. A new routine hot_add_scn_to_nid() replicates most of
the memory scanning code in parse_numa_properties().
Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/sparsemem.h b/include/asm-powerpc/sparsemem.h
index ba1b34f..c3f17d4 100644
--- a/include/asm-powerpc/sparsemem.h
+++ b/include/asm-powerpc/sparsemem.h
@@ -13,6 +13,14 @@
#ifdef CONFIG_MEMORY_HOTPLUG
extern void create_section_mapping(unsigned long start, unsigned long end);
+#ifdef CONFIG_NUMA
+extern int hot_add_scn_to_nid(unsigned long scn_addr);
+#else
+static inline int hot_add_scn_to_nid(unsigned long scn_addr)
+{
+ return 0;
+}
+#endif /* CONFIG_NUMA */
#endif /* CONFIG_MEMORY_HOTPLUG */
#endif /* CONFIG_SPARSEMEM */