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-rw-r--r--arch/x86/kernel/process.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index c622772744d..b06100f1d61 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -1,6 +1,7 @@
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <asm/idle.h>
#include <linux/smp.h>
#include <linux/slab.h>
#include <linux/sched.h>