1 files changed, 16 insertions, 0 deletions

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 93a5c53e3423..f0a1fd268b7a 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -129,6 +129,22 @@ int __devinit arch_add_memory(int nid, u64 start, u64 size)
         return __add_pages(zone, start_pfn, nr_pages);
 }
 
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int remove_memory(u64 start, u64 size)
+{
+        unsigned long start_pfn, end_pfn;
+        int ret;
+
+        start_pfn = start >> PAGE_SHIFT;
+        end_pfn = start_pfn + (size >> PAGE_SHIFT);
+        ret = offline_pages(start_pfn, end_pfn, 120 * HZ);
+        if (ret)
+                goto out;
+        /* Arch-specific calls go here - next patch */
+out:
+        return ret;
+}
+#endif /* CONFIG_MEMORY_HOTREMOVE */
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
 void show_mem(void)