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	#define VM_MEMATTR_XEN VM_MEMATTR_WRITE_BACK			#define VM_MEMATTR_XEN VM_MEMATTR_WRITE_BACK

	/* Everything below this point is not included by assembler (.S) files. */			/* Everything below this point is not included by assembler (.S) files. */
	#ifndef __ASSEMBLY__			#ifndef __ASSEMBLY__

	/* If non-zero, the hypervisor has been configured to use a direct vector */			/* If non-zero, the hypervisor has been configured to use a direct vector */
	extern int xen_vector_callback_enabled;			extern int xen_vector_callback_enabled;

				/* Function for allocating physical address resource to xenpv code */
				extern struct resource xen_arch_alloc_addr(device_t, int , size_t);

				/* Function for releasing physical address resource from xenpv code */
				int xen_arch_release_addr(device_t, int, struct resource *);

	#endif /* !__ASSEMBLY__ */			#endif /* !__ASSEMBLY__ */

	#endif /* _MACHINE_X86_XEN_XEN_OS_H_ */			#endif /* _MACHINE_X86_XEN_XEN_OS_H_ */