diff --git a/[refs] b/[refs]
index f7b2fad33b6e..404475cfdcc5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ebf47beb660e5580df7bee06d5cf9d37c0f22fac
+refs/heads/master: f8749452adcddd62e3707709ec2ae4856e70a3f2
diff --git a/trunk/mm/memory_hotplug.c b/trunk/mm/memory_hotplug.c
index b81a367b9f39..9597eec8239d 100644
--- a/trunk/mm/memory_hotplug.c
+++ b/trunk/mm/memory_hotplug.c
@@ -1801,7 +1801,7 @@ int __ref remove_memory(int nid, u64 start, u64 size)
 	int retry = 1;
 
 	start_pfn = PFN_DOWN(start);
-	end_pfn = start_pfn + PFN_DOWN(size);
+	end_pfn = PFN_UP(start + size - 1);
 
 	/*
 	 * When CONFIG_MEMCG is on, one memory block may be used by other