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-rw-r--r--arch/i386/kernel/acpi/cstate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/i386/kernel/acpi/cstate.c b/arch/i386/kernel/acpi/cstate.c
index 20563e52c622..4664b55f623e 100644
--- a/arch/i386/kernel/acpi/cstate.c
+++ b/arch/i386/kernel/acpi/cstate.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/cpu.h>
+#include <linux/sched.h>
#include <acpi/processor.h>
#include <asm/acpi.h>