diff --git a/[refs] b/[refs]
index 33f8489e4a17..596289536c80 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c43768cbb7655ea5ff782ae250f6e2ef4297cf98
+refs/heads/master: 79ba6ac825fac187894e236c9df1ba5fcbf53fd3
diff --git a/trunk/mm/percpu.c b/trunk/mm/percpu.c
index b14984566f5a..19dd83b5cbdc 100644
--- a/trunk/mm/percpu.c
+++ b/trunk/mm/percpu.c
@@ -290,7 +290,7 @@ static struct pcpu_chunk *pcpu_chunk_addr_search(void *addr)
 	void *first_start = pcpu_first_chunk->vm->addr;
 
 	/* is it in the first chunk? */
-	if (addr >= first_start && addr < first_start + pcpu_chunk_size) {
+	if (addr >= first_start && addr < first_start + pcpu_unit_size) {
 		/* is it in the reserved area? */
 		if (addr < first_start + pcpu_reserved_chunk_limit)
 			return pcpu_reserved_chunk;