diff --git a/[refs] b/[refs]
index 5591886e27cc..112c16efeab0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fd699c76552bbfa66631f019be415a87dbb08237
+refs/heads/master: 75a9cac430a1bd2a5219c74508ca01b0ddfddc9a
diff --git a/trunk/arch/x86/kernel/olpc_ofw.c b/trunk/arch/x86/kernel/olpc_ofw.c
index 469ee4384295..f5d499fbe74f 100644
--- a/trunk/arch/x86/kernel/olpc_ofw.c
+++ b/trunk/arch/x86/kernel/olpc_ofw.c
@@ -35,6 +35,8 @@ void __init setup_olpc_ofw_pgd(void)
 
 	/* install OFW's PDE permanently into the kernel's pgtable */
 	set_pgd(&swapper_pg_dir[OLPC_OFW_PDE_NR], *ofw_pde);
+	/* implicit optimization barrier here due to uninline function return */
+
 	early_iounmap(base, sizeof(olpc_ofw_pgd) * PTRS_PER_PGD);
 }