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>
git-mirror · Jun 10, 2008 · 6780711 · 6780711
1 parent d49c428
commit 6780711
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/x86/kernel/setup_32.c b/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)) {