diff --git a/sys/arm64/include/pcpu.h b/sys/arm64/include/pcpu.h
index ff2bf4df1271..09bd8fa8a966 100644
--- a/sys/arm64/include/pcpu.h
+++ b/sys/arm64/include/pcpu.h
@@ -1,94 +1,93 @@
 /*-
  * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  *	from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27
  */
 
 #ifdef __arm__
 #include <arm/pcpu.h>
 #else /* !__arm__ */
 
 #ifndef	_MACHINE_PCPU_H_
 #define	_MACHINE_PCPU_H_
 
 #include <machine/cpu.h>
 #include <machine/cpufunc.h>
 
 typedef int (*pcpu_bp_harden)(void);
 typedef int (*pcpu_ssbd)(int);
 struct debug_monitor_state;
 
 #define	PCPU_MD_FIELDS							\
 	u_int	pc_acpi_id;	/* ACPI CPU id */			\
 	u_int	pc_midr;	/* stored MIDR value */			\
 	uint64_t pc_clock;						\
 	pcpu_bp_harden pc_bp_harden;					\
 	pcpu_ssbd pc_ssbd;						\
 	struct pmap *pc_curpmap;					\
 	struct pmap *pc_curvmpmap;					\
-	/* Store as two u_int values to preserve KBI */			\
 	uint64_t pc_mpidr;						\
 	u_int	pc_bcast_tlbi_workaround;				\
 	char __pad[197]
 
 #ifdef _KERNEL
 
 struct pcb;
 struct pcpu;
 
 register struct pcpu *pcpup __asm ("x18");
 
 static inline struct pcpu *
 get_pcpu(void)
 {
 	struct pcpu *pcpu;
 
 	__asm __volatile("mov   %0, x18" : "=&r"(pcpu));
 	return (pcpu);
 }
 
 static inline struct thread *
 get_curthread(void)
 {
 	struct thread *td;
 
 	__asm __volatile("ldr	%0, [x18]" : "=&r"(td));
 	return (td);
 }
 
 #define	curthread get_curthread()
 
 #define	PCPU_GET(member)	(pcpup->pc_ ## member)
 #define	PCPU_ADD(member, value)	(pcpup->pc_ ## member += (value))
 #define	PCPU_PTR(member)	(&pcpup->pc_ ## member)
 #define	PCPU_SET(member,value)	(pcpup->pc_ ## member = (value))
 
 #define	PCPU_GET_MPIDR(pc)	((pc)->pc_mpidr)
 
 #endif	/* _KERNEL */
 
 #endif	/* !_MACHINE_PCPU_H_ */
 
 #endif /* !__arm__ */