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-rw-r--r--arch/x86/kernel/setup_64.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 89e6cca5d693..978a0d637f3f 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -56,6 +56,7 @@
#include <asm/desc.h>
#include <video/edid.h>
#include <asm/e820.h>
+#include <asm/mpspec.h>
#include <asm/dma.h>
#include <asm/gart.h>
#include <asm/mpspec.h>
@@ -381,6 +382,9 @@ void __init setup_arch(char **cmdline_p)
* we are rounding upwards:
*/
end_pfn = e820_end_of_ram();
+
+ /* pre allocte 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(end_pfn)) {