x86_64: prepare shared kernel/crash.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index c17099e..5ddd94b 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -23,7 +23,7 @@
 obj-$(CONFIG_SMP)		+= smp_64.o smpboot.o trampoline.o tsc_sync.o
 obj-y				+= apic.o  nmi.o
 obj-y				+= io_apic_64.o mpparse.o genapic.o genapic_flat.o
-obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel_64.o crash.o
+obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel_64.o crash_64.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_PM)		+= suspend.o
 obj-$(CONFIG_HIBERNATION)	+= suspend_asm.o
diff --git a/arch/x86_64/kernel/crash.c b/arch/x86_64/kernel/crash_64.c
similarity index 100%
rename from arch/x86_64/kernel/crash.c
rename to arch/x86_64/kernel/crash_64.c