x86: update mptable, fix
need to call early_reserve_e820() to preallocate mptable for 32bit
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index be1a990..4fa9f6c 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -749,6 +749,8 @@
*/
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)) {