diff --git a/[refs] b/[refs]
index 42ae35bdb149..8804eefd22dd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d49c4288407b2ffa8cab270cb5bc6882abe969f6
+refs/heads/master: 6780711e9817585f89b02b0556aac3564cbe1f45
diff --git a/trunk/arch/x86/kernel/setup_32.c b/trunk/arch/x86/kernel/setup_32.c
index be1a99003677..4fa9f6c4542b 100644
--- a/trunk/arch/x86/kernel/setup_32.c
+++ b/trunk/arch/x86/kernel/setup_32.c
@@ -749,6 +749,8 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	max_pfn = e820_end_of_ram();
 
+	/* preallocate 4k for mptable mpc */
+	early_reserve_e820_mpc_new();
 	/* update e820 for memory not covered by WB MTRRs */
 	mtrr_bp_init();
 	if (mtrr_trim_uncached_memory(max_pfn)) {