diff --git a/sys/kern/imgact_binmisc.c b/sys/kern/imgact_binmisc.c
index 04fecc67de13..afb1184f22ec 100644
--- a/sys/kern/imgact_binmisc.c
+++ b/sys/kern/imgact_binmisc.c
@@ -609,7 +609,6 @@ imgact_binmisc_exec(struct image_params *imgp)
 		fname = sbuf_data(sname);
 	}
 
-
 	/*
 	 * We need to "push" the interpreter in the arg[] list.  To do this,
 	 * we first shift all the other values in the `begin_argv' area to
@@ -707,7 +706,6 @@ imgact_binmisc_exec(struct image_params *imgp)
 	if (!error)
 		imgp->interpreter_name = imgp->args->begin_argv;
 
-
 done:
 	if (sname)
 		sbuf_delete(sname);
diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
index 103f49d7d24a..b59f8c85ea1b 100644
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -630,7 +630,6 @@ __elfN(load_section)(struct image_params *imgp, vm_ooffset_t offset,
 			return (0);
 	}
 
-
 	/*
 	 * We have to get the remaining bit of the file into the first part
 	 * of the oversized map segment.  This is normally because the .data
diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
index b2df117d1115..0d3434022e1f 100644
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -115,7 +115,6 @@ linux_alloc_current_noop(struct thread *td __unused, int flags __unused)
 }
 int (*lkpi_alloc_current)(struct thread *, int) = linux_alloc_current_noop;
 
-
 #ifndef BOOTHOWTO
 #define	BOOTHOWTO	0
 #endif
diff --git a/sys/kern/kern_alq.c b/sys/kern/kern_alq.c
index ec5a2fc9ec12..cbcabecd0a2d 100644
--- a/sys/kern/kern_alq.c
+++ b/sys/kern/kern_alq.c
@@ -120,7 +120,6 @@ static void alq_shutdown(struct alq *);
 static void alq_destroy(struct alq *);
 static int alq_doio(struct alq *);
 
-
 /*
  * Add a new queue to the global list.  Fail if we're shutting down.
  */
@@ -422,7 +421,6 @@ static struct kproc_desc ald_kp = {
 SYSINIT(aldthread, SI_SUB_KTHREAD_IDLE, SI_ORDER_ANY, kproc_start, &ald_kp);
 SYSINIT(ald, SI_SUB_LOCK, SI_ORDER_ANY, ald_startup, NULL);
 
-
 /* User visible queue functions */
 
 /*
@@ -502,7 +500,6 @@ alq_open(struct alq **alqp, const char *file, struct ucred *cred, int cmode,
 	return (ret);
 }
 
-
 /*
  * Copy a new entry into the queue.  If the operation would block either
  * wait or return an error depending on the value of waitok.
diff --git a/sys/kern/kern_conf.c b/sys/kern/kern_conf.c
index df22829a9abc..cbaf992052a8 100644
--- a/sys/kern/kern_conf.c
+++ b/sys/kern/kern_conf.c
@@ -950,7 +950,6 @@ dev_dependsl(struct cdev *pdev, struct cdev *cdev)
 	LIST_INSERT_HEAD(&pdev->si_children, cdev, si_siblings);
 }
 
-
 void
 dev_depends(struct cdev *pdev, struct cdev *cdev)
 {
@@ -1325,7 +1324,6 @@ clone_create(struct clonedevs **cdp, struct cdevsw *csw, int *up,
 	KASSERT(csw->d_flags & D_NEEDMINOR,
 	    ("clone_create() on cdevsw without minor numbers"));
 
-
 	/*
 	 * Search the list for a lot of things in one go:
 	 *   A preexisting match is returned immediately.
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index 0ff332632d63..54584a10cddf 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -686,7 +686,6 @@ exit1(struct thread *td, int rval, int signo)
 	thread_exit();
 }
 
-
 #ifndef _SYS_SYSPROTO_H_
 struct abort2_args {
 	char *why;
@@ -763,7 +762,6 @@ out:
 	return (0);
 }
 
-
 #ifdef COMPAT_43
 /*
  * The dirty work is handled by kern_wait().
diff --git a/sys/kern/kern_hhook.c b/sys/kern/kern_hhook.c
index 334de1f2ac7b..fa30802664ac 100644
--- a/sys/kern/kern_hhook.c
+++ b/sys/kern/kern_hhook.c
@@ -508,7 +508,6 @@ hhook_vnet_uninit(const void *unused __unused)
 	HHHLIST_UNLOCK();
 }
 
-
 /*
  * When a vnet is created and being initialised, init the V_hhook_vhead_list.
  */
diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c
index 146cf5a4ae17..c61d7a9e20e2 100644
--- a/sys/kern/kern_jail.c
+++ b/sys/kern/kern_jail.c
@@ -436,7 +436,6 @@ kern_jail(struct thread *td, struct jail *j)
 	return (error);
 }
 
-
 /*
  * struct jail_set_args {
  *	struct iovec *iovp;
@@ -1896,7 +1895,6 @@ kern_jail_set(struct thread *td, struct uio *optuio, int flags)
 	return (error);
 }
 
-
 /*
  * struct jail_get_args {
  *	struct iovec *iovp;
@@ -2208,7 +2206,6 @@ kern_jail_get(struct thread *td, struct uio *optuio, int flags)
 	return (error);
 }
 
-
 /*
  * struct jail_remove_args {
  *	int jid;
@@ -2308,7 +2305,6 @@ prison_remove_one(struct prison *pr)
 	prison_deref(pr, deuref | PD_DEREF);
 }
 
-
 /*
  * struct jail_attach_args {
  *	int jid;
@@ -2425,7 +2421,6 @@ do_jail_attach(struct thread *td, struct prison *pr)
 	return (error);
 }
 
-
 /*
  * Returns a locked prison instance, or NULL on failure.
  */
@@ -3427,7 +3422,6 @@ prison_path(struct prison *pr1, struct prison *pr2)
 	return (path2);
 }
 
-
 /*
  * Jail-related sysctls.
  */
diff --git a/sys/kern/kern_kcov.c b/sys/kern/kern_kcov.c
index 1e9ed224f17e..3679a3be1e4d 100644
--- a/sys/kern/kern_kcov.c
+++ b/sys/kern/kern_kcov.c
@@ -321,7 +321,6 @@ kcov_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
 	struct kcov_info *info;
 	int error;
 
-
 	if ((error = devfs_get_cdevpriv((void **)&info)) != 0)
 		return (error);
 
diff --git a/sys/kern/kern_kthread.c b/sys/kern/kern_kthread.c
index d2c7b3c8f1ed..939bd689269b 100644
--- a/sys/kern/kern_kthread.c
+++ b/sys/kern/kern_kthread.c
@@ -230,7 +230,6 @@ kproc_suspend_check(struct proc *p)
 	PROC_UNLOCK(p);
 }
 
-
 /*
  * Start a kernel thread.  
  *
diff --git a/sys/kern/kern_linker.c b/sys/kern/kern_linker.c
index a5dcd87f1c4a..45ebc4beb7b3 100644
--- a/sys/kern/kern_linker.c
+++ b/sys/kern/kern_linker.c
@@ -133,7 +133,6 @@ retry:									\
 	(a) = next_file_id;						\
 } while(0)
 
-
 /* XXX wrong name; we're looking at version provision tags here, not modules */
 typedef TAILQ_HEAD(, modlist) modlisthead_t;
 struct modlist {
diff --git a/sys/kern/kern_lockf.c b/sys/kern/kern_lockf.c
index 57c816346b24..e6f7cc4eba4b 100644
--- a/sys/kern/kern_lockf.c
+++ b/sys/kern/kern_lockf.c
@@ -886,7 +886,6 @@ lf_free_edge(struct lockf_edge *e)
 	free(e, M_LOCKF);
 }
 
-
 /*
  * Ensure that the lock's owner has a corresponding vertex in the
  * owner graph.
diff --git a/sys/kern/kern_mib.c b/sys/kern/kern_mib.c
index daf452f6cc9a..dccaa754805d 100644
--- a/sys/kern/kern_mib.c
+++ b/sys/kern/kern_mib.c
@@ -518,7 +518,6 @@ sysctl_build_id(SYSCTL_HANDLER_ARGS)
 		return (ENOENT);
 	}
 
-
 	hashlen = sectionlen - BUILD_ID_HEADER_LEN;
 	for (int i = 0; i < hashlen; i++) {
 		uint8_t c = __build_id_start[i+BUILD_ID_HEADER_LEN];
diff --git a/sys/kern/kern_mtxpool.c b/sys/kern/kern_mtxpool.c
index e11a30391627..92cfeb5bd131 100644
--- a/sys/kern/kern_mtxpool.c
+++ b/sys/kern/kern_mtxpool.c
@@ -57,7 +57,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/mutex.h>
 #include <sys/systm.h>
 
-
 static MALLOC_DEFINE(M_MTXPOOL, "mtx_pool", "mutex pool");
 
 /* Pool sizes must be a power of two */
diff --git a/sys/kern/kern_pmc.c b/sys/kern/kern_pmc.c
index 4b73f134b2d4..6d6064e40aeb 100644
--- a/sys/kern/kern_pmc.c
+++ b/sys/kern/kern_pmc.c
@@ -183,7 +183,6 @@ pmc_cpu_is_primary(int cpu)
 #endif
 }
 
-
 /*
  * Return the maximum CPU number supported by the system.  The return
  * value is used for scaling internal data structures and for runtime
diff --git a/sys/kern/kern_poll.c b/sys/kern/kern_poll.c
index 3663b7d3df2f..783993f0e9f1 100644
--- a/sys/kern/kern_poll.c
+++ b/sys/kern/kern_poll.c
@@ -247,7 +247,6 @@ static uint32_t idlepoll_sleeping; /* idlepoll is sleeping */
 SYSCTL_UINT(_kern_polling, OID_AUTO, idlepoll_sleeping, CTLFLAG_RD,
 	&idlepoll_sleeping, 0, "idlepoll is sleeping");
 
-
 #define POLL_LIST_LEN  128
 struct pollrec {
 	poll_handler_t	*handler;
@@ -273,7 +272,6 @@ init_device_poll(void)
 }
 SYSINIT(device_poll, SI_SUB_SOFTINTR, SI_ORDER_MIDDLE, init_device_poll, NULL);
 
-
 /*
  * Hook from hardclock. Tries to schedule a netisr, but keeps track
  * of lost ticks due to the previous handler taking too long.
diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c
index 852524810709..17eb8e9b889a 100644
--- a/sys/kern/kern_resource.c
+++ b/sys/kern/kern_resource.c
@@ -66,7 +66,6 @@ __FBSDID("$FreeBSD$");
 #include <vm/pmap.h>
 #include <vm/vm_map.h>
 
-
 static MALLOC_DEFINE(M_PLIMIT, "plimit", "plimit structures");
 static MALLOC_DEFINE(M_UIDINFO, "uidinfo", "uidinfo structures");
 #define	UIHASH(uid)	(&uihashtbl[(uid) & uihash])
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 46161ae70044..961da27ba7d0 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -865,7 +865,6 @@ freebsd4_sigaction(struct thread *td, struct freebsd4_sigaction_args *uap)
 	struct sigaction *actp, *oactp;
 	int error;
 
-
 	actp = (uap->act != NULL) ? &act : NULL;
 	oactp = (uap->oact != NULL) ? &oact : NULL;
 	if (actp) {
@@ -1964,7 +1963,6 @@ pgsignal(struct pgrp *pgrp, int sig, int checkctty, ksiginfo_t *ksi)
 	}
 }
 
-
 /*
  * Recalculate the signal mask and reset the signal disposition after
  * usermode frame for delivery is formed.  Should be called after
@@ -1987,7 +1985,6 @@ postsig_done(int sig, struct thread *td, struct sigacts *ps)
 		sigdflt(ps, sig);
 }
 
-
 /*
  * Send a signal caused by a trap to the current thread.  If it will be
  * caught immediately, deliver it with correct code.  Otherwise, post it
diff --git a/sys/kern/kern_switch.c b/sys/kern/kern_switch.c
index 234b88ce796b..59de3ea69fba 100644
--- a/sys/kern/kern_switch.c
+++ b/sys/kern/kern_switch.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c
index bda8fdd6a3a0..43bbe921314c 100644
--- a/sys/kern/kern_sysctl.c
+++ b/sys/kern/kern_sysctl.c
@@ -737,7 +737,6 @@ sysctl_remove_name(struct sysctl_oid *parent, const char *name,
 	return (error);
 }
 
-
 static int
 sysctl_remove_oid_locked(struct sysctl_oid *oidp, int del, int recurse)
 {
@@ -1293,7 +1292,6 @@ sysctl_sysctl_oidfmt(SYSCTL_HANDLER_ARGS)
 	return (error);
 }
 
-
 static SYSCTL_NODE(_sysctl, CTL_SYSCTL_OIDFMT, oidfmt, CTLFLAG_RD |
     CTLFLAG_MPSAFE | CTLFLAG_CAPRD, sysctl_sysctl_oidfmt, "");
 
@@ -1546,7 +1544,6 @@ sysctl_msec_to_ticks(SYSCTL_HANDLER_ARGS)
 	return (0);
 }
 
-
 /*
  * Handle a long, signed or unsigned.
  * Two cases:
diff --git a/sys/kern/kern_tc.c b/sys/kern/kern_tc.c
index 9920a9a93048..75ea0d373341 100644
--- a/sys/kern/kern_tc.c
+++ b/sys/kern/kern_tc.c
@@ -1540,7 +1540,6 @@ SYSCTL_PROC(_kern_timecounter, OID_AUTO, hardware, CTLTYPE_STRING | CTLFLAG_RW,
     0, 0, sysctl_kern_timecounter_hardware, "A",
     "Timecounter hardware selected");
 
-
 /* Report the available timecounter hardware. */
 static int
 sysctl_kern_timecounter_choice(SYSCTL_HANDLER_ARGS)
diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c
index 1ab2ebcefefe..98db5e7fb006 100644
--- a/sys/kern/kern_time.c
+++ b/sys/kern/kern_time.c
@@ -118,7 +118,6 @@ int		itimespecfix(struct timespec *ts);
 
 SYSINIT(posix_timer, SI_SUB_P1003_1B, SI_ORDER_FIRST+4, itimer_start, NULL);
 
-
 static int
 settime(struct thread *td, struct timeval *tv)
 {
diff --git a/sys/kern/kern_ubsan.c b/sys/kern/kern_ubsan.c
index e94d7004072a..93d39103929c 100644
--- a/sys/kern/kern_ubsan.c
+++ b/sys/kern/kern_ubsan.c
@@ -26,7 +26,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-
 /*
  * The micro UBSan implementation for the userland (uUBSan) and kernel (kUBSan).
  * The uBSSan versions is suitable for inclusion into libc or used standalone
diff --git a/sys/kern/kern_umtx.c b/sys/kern/kern_umtx.c
index 7ecf8e264058..1eaeae7e5558 100644
--- a/sys/kern/kern_umtx.c
+++ b/sys/kern/kern_umtx.c
@@ -715,7 +715,6 @@ umtxq_signal_queue(struct umtx_key *key, int n_wake, int q)
 	return (ret);
 }
 
-
 /*
  * Wake up specified thread.
  */
@@ -1578,7 +1577,6 @@ umtx_pi_setowner(struct umtx_pi *pi, struct thread *owner)
 	TAILQ_INSERT_TAIL(&uq_owner->uq_pi_contested, pi, pi_link);
 }
 
-
 /*
  * Disown a PI mutex, and remove it from the owned list.
  */
diff --git a/sys/kern/link_elf.c b/sys/kern/link_elf.c
index abfbd910a2d7..03f9ae63d9ac 100644
--- a/sys/kern/link_elf.c
+++ b/sys/kern/link_elf.c
@@ -1314,7 +1314,6 @@ elf_relocaddr(linker_file_t lf, Elf_Addr x)
 	return (x);
 }
 
-
 static void
 link_elf_unload_file(linker_file_t file)
 {
diff --git a/sys/kern/link_elf_obj.c b/sys/kern/link_elf_obj.c
index 53f85ce3a5e1..c9c091cbafa0 100644
--- a/sys/kern/link_elf_obj.c
+++ b/sys/kern/link_elf_obj.c
@@ -87,7 +87,6 @@ typedef struct {
 	int		sec;
 } Elf_relaent;
 
-
 typedef struct elf_file {
 	struct linker_file lf;		/* Common fields */
 
@@ -1270,7 +1269,6 @@ relocate_file(elf_file_t ef)
 	Elf_Size symidx;
 	Elf_Addr base;
 
-
 	/* Perform relocations without addend if there are any: */
 	for (i = 0; i < ef->nreltab; i++) {
 		rel = ef->reltab[i].rel;
diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index d28c484367d0..632a64c6a9ea 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -828,7 +828,6 @@ static void
 sched_priority(struct thread *td, u_char prio)
 {
 
-
 	KTR_POINT3(KTR_SCHED, "thread", sched_tdname(td), "priority change",
 	    "prio:%d", td->td_priority, "new prio:%d", prio, KTR_ATTR_LINKED,
 	    sched_tdname(curthread));
@@ -1298,7 +1297,6 @@ sched_add(struct thread *td, int flags)
 	SDT_PROBE4(sched, , , enqueue, td, td->td_proc, NULL, 
 	    flags & SRQ_PREEMPTED);
 
-
 	/*
 	 * Now that the thread is moving to the run-queue, set the lock
 	 * to the scheduler's lock.
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index 7dc48a2336bf..e2adf98ec6fd 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -1506,7 +1506,6 @@ sched_initticks(void *dummy)
 		sched_idlespinthresh = 2 * max(10000, 6 * hz) / realstathz;
 }
 
-
 /*
  * This is the core of the interactivity algorithm.  Determines a score based
  * on past behavior.  It is the ratio of sleep time to run time scaled to
diff --git a/sys/kern/subr_acl_posix1e.c b/sys/kern/subr_acl_posix1e.c
index 9038065b6a93..5fd0aeefbc33 100644
--- a/sys/kern/subr_acl_posix1e.c
+++ b/sys/kern/subr_acl_posix1e.c
@@ -652,7 +652,6 @@ acl_posix1e_newfilemode(mode_t cmode, struct acl *dacl)
 	return (mode);
 }
 
-
 static int
 acl_posix1e_modload(module_t mod, int what, void *arg)
 {
diff --git a/sys/kern/subr_blist.c b/sys/kern/subr_blist.c
index 5672e0f2ba8a..c98744615ec9 100644
--- a/sys/kern/subr_blist.c
+++ b/sys/kern/subr_blist.c
@@ -192,7 +192,6 @@ bitrange(int n, int count)
 	    ((u_daddr_t)-1 >> (BLIST_BMAP_RADIX - (n + count))));
 }
 
-
 /*
  * Find the first bit set in a u_daddr_t.
  */
diff --git a/sys/kern/subr_bufring.c b/sys/kern/subr_bufring.c
index 73590e49368b..912c537b7596 100644
--- a/sys/kern/subr_bufring.c
+++ b/sys/kern/subr_bufring.c
@@ -29,7 +29,6 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
-
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
@@ -37,7 +36,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/ktr.h>
 #include <sys/buf_ring.h>
 
-
 struct buf_ring *
 buf_ring_alloc(int count, struct malloc_type *type, int flags, struct mtx *lock)
 {
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index efc5e55c7fa9..e66a71f68eb4 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -3591,7 +3591,6 @@ resource_list_release_active(struct resource_list *rl, device_t bus,
 	return (retval);
 }
 
-
 /**
  * @brief Fully release a reserved resource
  *
@@ -3907,7 +3906,6 @@ bus_generic_resume(device_t dev)
 	return (0);
 }
 
-
 /**
  * @brief Helper function for implementing BUS_RESET_POST
  *
diff --git a/sys/kern/subr_clock.c b/sys/kern/subr_clock.c
index e3a427c49a63..fa1884ddceac 100644
--- a/sys/kern/subr_clock.c
+++ b/sys/kern/subr_clock.c
@@ -84,7 +84,6 @@ SYSCTL_INT(_machdep, OID_AUTO, wall_cmos_clock, CTLFLAG_RW,
  * Derived from NetBSD arch/hp300/hp300/clock.c
  */
 
-
 #define	FEBRUARY	2
 #define	days_in_year(y) 	(leapyear(y) ? 366 : 365)
 #define	days_in_month(y, m) \
diff --git a/sys/kern/subr_csan.c b/sys/kern/subr_csan.c
index 3a70a734ec46..8b82bbb1f89b 100644
--- a/sys/kern/subr_csan.c
+++ b/sys/kern/subr_csan.c
@@ -493,7 +493,6 @@ kcsan_copyout(const void *kaddr, void *uaddr, size_t len)
 		atomic_subtract_##name(ptr, val); 			\
 	}
 
-
 #define	CSAN_ATOMIC_FUNC_SUBTRACT(name, type)				\
 	_CSAN_ATOMIC_FUNC_SUBTRACT(name, type)				\
 	_CSAN_ATOMIC_FUNC_SUBTRACT(acq_##name, type)			\
@@ -535,7 +534,6 @@ kcsan_copyout(const void *kaddr, void *uaddr, size_t len)
 		return (atomic_testandset_##name(ptr, val)); 		\
 	}
 
-
 CSAN_ATOMIC_FUNC_ADD(8, uint8_t)
 CSAN_ATOMIC_FUNC_CLEAR(8, uint8_t)
 CSAN_ATOMIC_FUNC_CMPSET(8, uint8_t)
@@ -660,7 +658,6 @@ CSAN_ATOMIC_FUNC_TESTANDSET(ptr, uintptr_t)
 		atomic_thread_fence_##name();				\
 	}
 
-
 CSAN_ATOMIC_FUNC_THREAD_FENCE(acq)
 CSAN_ATOMIC_FUNC_THREAD_FENCE(acq_rel)
 CSAN_ATOMIC_FUNC_THREAD_FENCE(rel)
diff --git a/sys/kern/subr_fattime.c b/sys/kern/subr_fattime.c
index 1c84382d4fbd..bc8bef4b089c 100644
--- a/sys/kern/subr_fattime.c
+++ b/sys/kern/subr_fattime.c
@@ -135,7 +135,6 @@ static const struct {
 	{ NOV + 3 * YEAR + 1, ENC(3, 12) }
 };
 
-
 void
 timespec2fattime(const struct timespec *tsp, int utc, uint16_t *ddp,
     uint16_t *dtp, uint8_t *dhp)
diff --git a/sys/kern/subr_filter.c b/sys/kern/subr_filter.c
index 1089dee452dc..0ddb0ba005f4 100644
--- a/sys/kern/subr_filter.c
+++ b/sys/kern/subr_filter.c
@@ -133,7 +133,6 @@ setup_time_filter_small(struct time_filter_small *tf, int fil_type, uint32_t tim
 	return(0);
 }
 
-
 static void
 check_update_times(struct time_filter *tf, uint64_t value, uint32_t now)
 {
@@ -204,8 +203,6 @@ check_update_times_small(struct time_filter_small *tf, uint32_t value, uint32_t
 	}
 }
 
-
-
 void
 filter_reduce_by(struct time_filter *tf, uint64_t reduce_by, uint32_t now)
 {
@@ -294,7 +291,6 @@ forward_filter_clock(struct time_filter *tf, uint32_t ticks_forward)
 	}
 }
 
-
 void
 forward_filter_clock_small(struct time_filter_small *tf, uint32_t ticks_forward)
 {
@@ -309,7 +305,6 @@ forward_filter_clock_small(struct time_filter_small *tf, uint32_t ticks_forward)
 	}
 }
 
-
 void
 tick_filter_clock(struct time_filter *tf, uint32_t now)
 {
@@ -453,7 +448,6 @@ apply_filter_max(struct time_filter *tf, uint64_t value, uint32_t now)
 	return (tf->entries[0].value);
 }
 
-
 uint32_t
 apply_filter_max_small(struct time_filter_small *tf,
 		       uint32_t value, uint32_t now)
diff --git a/sys/kern/subr_gtaskqueue.c b/sys/kern/subr_gtaskqueue.c
index 3ad9275095af..16418b32253b 100644
--- a/sys/kern/subr_gtaskqueue.c
+++ b/sys/kern/subr_gtaskqueue.c
@@ -156,7 +156,6 @@ _gtaskqueue_create(const char *name, int mflags,
 	return (queue);
 }
 
-
 /*
  * Signal a taskqueue thread to terminate.
  */
@@ -570,7 +569,6 @@ gtaskqueue_thread_enqueue(void *context)
 	wakeup_any(tq);
 }
 
-
 static struct gtaskqueue *
 gtaskqueue_create_fast(const char *name, int mflags,
 		 taskqueue_enqueue_fn enqueue, void *context)
@@ -579,7 +577,6 @@ gtaskqueue_create_fast(const char *name, int mflags,
 			MTX_SPIN, "fast_taskqueue");
 }
 
-
 struct taskqgroup_cpu {
 	LIST_HEAD(, grouptask)	tgc_tasks;
 	struct gtaskqueue	*tgc_taskq;
diff --git a/sys/kern/subr_hints.c b/sys/kern/subr_hints.c
index ba30e23d9f8a..63ee87d27076 100644
--- a/sys/kern/subr_hints.c
+++ b/sys/kern/subr_hints.c
@@ -135,7 +135,6 @@ res_find(char **hintp_cookie, int *line, int *startln,
 	char *hintp, *p;
 	bool dyn_used = false;
 
-
 	/*
 	 * We are expecting that the caller will pass us a hintp_cookie that
 	 * they are tracking.  Upon entry, if *hintp_cookie is *not* set, this
@@ -449,7 +448,6 @@ resource_find_match(int *anchor, const char **name, int *unit,
 	return ret;
 }
 
-
 /*
  * err = resource_find_dev(&anchor, name, &unit, res, value);
  * Iterate through a list of devices, returning their unit numbers.
diff --git a/sys/kern/subr_intr.c b/sys/kern/subr_intr.c
index a2f82333d457..471736e7c995 100644
--- a/sys/kern/subr_intr.c
+++ b/sys/kern/subr_intr.c
@@ -1262,7 +1262,6 @@ void intr_free_intr_map_data(struct intr_map_data *data)
 	free(data, M_INTRNG);
 }
 
-
 /*
  *  Register a MSI/MSI-X interrupt controller
  */
@@ -1376,7 +1375,6 @@ intr_alloc_msix(device_t pci, device_t child, intptr_t xref, int *irq)
 	    ("%s: Found a non-MSI controller: %s", __func__,
 	     device_get_name(pic->pic_dev)));
 
-
 	err = MSI_ALLOC_MSIX(pic->pic_dev, child, &pdev, &isrc);
 	if (err != 0)
 		return (err);
@@ -1445,7 +1443,6 @@ intr_map_msi(device_t pci, device_t child, intptr_t xref, int irq,
 	return (err);
 }
 
-
 void dosoftints(void);
 void
 dosoftints(void)
@@ -1595,7 +1592,6 @@ intr_map_copy_map_data(u_int res_id, device_t *map_dev, intptr_t *map_xref,
 	mtx_unlock(&irq_map_lock);
 }
 
-
 /*
  * Allocate and fill new entry in irq_map table.
  */
diff --git a/sys/kern/subr_kdb.c b/sys/kern/subr_kdb.c
index fa379b4da754..19d88186334b 100644
--- a/sys/kern/subr_kdb.c
+++ b/sys/kern/subr_kdb.c
@@ -258,7 +258,6 @@ kdb_sysctl_stack_overflow(SYSCTL_HANDLER_ARGS)
 	return (0);
 }
 
-
 void
 kdb_panic(const char *msg)
 {
diff --git a/sys/kern/subr_sbuf.c b/sys/kern/subr_sbuf.c
index 17fde523fc67..20a831aa75b2 100644
--- a/sys/kern/subr_sbuf.c
+++ b/sys/kern/subr_sbuf.c
@@ -302,7 +302,6 @@ void
 sbuf_set_flags(struct sbuf *s, int flags)
 {
 
-
 	s->s_flags |= (flags & SBUF_USRFLAGMSK);
 }
 
diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c
index b635a6e4557b..8aef2aa72293 100644
--- a/sys/kern/subr_sleepqueue.c
+++ b/sys/kern/subr_sleepqueue.c
@@ -92,7 +92,6 @@ __FBSDID("$FreeBSD$");
 #include <ddb/ddb.h>
 #endif
 
-
 /*
  * Constants for the hash table of sleep queue chains.
  * SC_TABLESIZE must be a power of two for SC_MASK to work properly.
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c
index 92d3264f224c..818858909d71 100644
--- a/sys/kern/subr_smp.c
+++ b/sys/kern/subr_smp.c
@@ -803,7 +803,6 @@ smp_topo_2level(int l2share, int l2count, int l1share, int l1count,
 	return (top);
 }
 
-
 struct cpu_group *
 smp_topo_find(struct cpu_group *top, int cpu)
 {
@@ -1006,7 +1005,6 @@ sysctl_kern_smp_active(SYSCTL_HANDLER_ARGS)
 	return (error);
 }
 
-
 #ifdef SMP
 void
 topo_init_node(struct topo_node *node)
diff --git a/sys/kern/subr_stats.c b/sys/kern/subr_stats.c
index 6181cf7bad74..b8bb5e9c9c64 100644
--- a/sys/kern/subr_stats.c
+++ b/sys/kern/subr_stats.c
@@ -1733,7 +1733,6 @@ stats_voistatdata_tdgst_tostr(enum vsd_dtype voi_dtype __unused,
 		    sizeof(qstr));
 		sbuf_cat(buf, qstr);
 
-
 		switch (fmt) {
 		case SB_STRFMT_FREEFORM:
 			fmtstr = is32bit ? ",cnt=%u}" : ",cnt=%ju}";
diff --git a/sys/kern/subr_unit.c b/sys/kern/subr_unit.c
index 0ad76dc178ee..bad30c0811c3 100644
--- a/sys/kern/subr_unit.c
+++ b/sys/kern/subr_unit.c
@@ -143,7 +143,6 @@ _Malloc(size_t foo, int line)
 
 struct unrhdr;
 
-
 struct mtx {
 	int	state;
 } unitmtx;
@@ -225,7 +224,6 @@ ub_full(struct unrb *ub, int len)
 	return (first_clear == -1);
 }
 
-
 #if defined(DIAGNOSTIC) || !defined(_KERNEL)
 /*
  * Consistency check function.
@@ -276,7 +274,6 @@ check_unrhdr(struct unrhdr *uh __unused, int line __unused)
 
 #endif
 
-
 /*
  * Userland memory management.  Just use calloc and keep track of how
  * many elements we have allocated for check_unrhdr().
@@ -1045,7 +1042,6 @@ main(int argc, char **argv)
 			exit(2);
 		}
 
-
 	}
 
 	setbuf(stdout, NULL);
diff --git a/sys/kern/subr_vmem.c b/sys/kern/subr_vmem.c
index 5a577d6fb3b7..b35844a4faff 100644
--- a/sys/kern/subr_vmem.c
+++ b/sys/kern/subr_vmem.c
@@ -201,7 +201,6 @@ static uma_zone_t vmem_zone;
 #define	VMEM_CONDVAR_WAIT(vm)		cv_wait(&vm->vm_cv, &vm->vm_lock)
 #define	VMEM_CONDVAR_BROADCAST(vm)	cv_broadcast(&vm->vm_cv)
 
-
 #define	VMEM_LOCK(vm)		mtx_lock(&vm->vm_lock)
 #define	VMEM_TRYLOCK(vm)	mtx_trylock(&vm->vm_lock)
 #define	VMEM_UNLOCK(vm)		mtx_unlock(&vm->vm_lock)
diff --git a/sys/kern/subr_witness.c b/sys/kern/subr_witness.c
index 7190ffc6be49..bf87e908ed8f 100644
--- a/sys/kern/subr_witness.c
+++ b/sys/kern/subr_witness.c
@@ -1915,7 +1915,6 @@ depart(struct witness *w)
 	witness_increment_graph_generation();
 }
 
-
 static void
 adopt(struct witness *parent, struct witness *child)
 {
@@ -2893,7 +2892,6 @@ witness_hash_djb2(const uint8_t *key, uint32_t size)
 	return (hash);
 }
 
-
 /*
  * Initializes the two witness hash tables. Called exactly once from
  * witness_initialize().
@@ -2966,7 +2964,6 @@ witness_hash_put(struct witness *w)
 	w_hash.wh_count++;
 }
 
-
 static struct witness_lock_order_data *
 witness_lock_order_get(struct witness *parent, struct witness *child)
 {
diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c
index 8e614a0accc6..c013e6832b71 100644
--- a/sys/kern/sys_generic.c
+++ b/sys/kern/sys_generic.c
@@ -1525,7 +1525,6 @@ pollrescan(struct thread *td)
 	return (0);
 }
 
-
 static int
 pollout(struct thread *td, struct pollfd *fds, struct pollfd *ufds, u_int nfd)
 {
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index 5ef0a96635e6..10b1ca2395da 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -1606,7 +1606,6 @@ pipeclose(struct pipe *cpipe)
 		pipelock(cpipe, 0);
 	}
 
-
 	/*
 	 * Disconnect from peer, if any.
 	 */
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c
index 5ec5f14fcf57..09db10c9ced3 100644
--- a/sys/kern/sys_process.c
+++ b/sys/kern/sys_process.c
@@ -880,7 +880,6 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data)
 			}
 		}
 
-
 		/* OK */
 		break;
 
diff --git a/sys/kern/sysv_msg.c b/sys/kern/sysv_msg.c
index 33e958c0b745..de6faafde286 100644
--- a/sys/kern/sysv_msg.c
+++ b/sys/kern/sysv_msg.c
@@ -99,7 +99,6 @@ static int msg_prison_get(void *, void *);
 static int msg_prison_remove(void *, void *);
 static void msg_prison_cleanup(struct prison *);
 
-
 #ifdef MSG_DEBUG
 #define DPRINTF(a)	printf a
 #else
@@ -352,7 +351,6 @@ msgunload()
 	return (0);
 }
 
-
 static int
 sysvmsg_modload(struct module *module, int cmd, void *arg)
 {
diff --git a/sys/kern/sysv_shm.c b/sys/kern/sysv_shm.c
index 086c7a32be9f..dc89d7ae8348 100644
--- a/sys/kern/sysv_shm.c
+++ b/sys/kern/sysv_shm.c
@@ -609,7 +609,6 @@ kern_shmctl(struct thread *td, int shmid, int cmd, void *buf, size_t *bufsz)
 	return (error);
 }
 
-
 #ifndef _SYS_SYSPROTO_H_
 struct shmctl_args {
 	int shmid;
@@ -658,7 +657,6 @@ done:
 	return (error);
 }
 
-
 static int
 shmget_existing(struct thread *td, struct shmget_args *uap, int mode,
     int segnum)
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index 8fec671a67f2..88946d045ca3 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -2113,7 +2113,6 @@ mbprof_clr_handler(SYSCTL_HANDLER_ARGS)
 	return (error);
 }
 
-
 SYSCTL_PROC(_kern_ipc, OID_AUTO, mbufprofile, CTLTYPE_STRING|CTLFLAG_RD,
 	    NULL, 0, mbprof_handler, "A", "mbuf profiling statistics");
 
diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c
index 0bede5162fef..400857ecc0d5 100644
--- a/sys/kern/uipc_usrreq.c
+++ b/sys/kern/uipc_usrreq.c
@@ -316,7 +316,6 @@ static int	unp_externalize_fp(struct file *);
 static struct mbuf	*unp_addsockcred(struct thread *, struct mbuf *);
 static void	unp_process_defers(void * __unused, int);
 
-
 static void
 unp_pcb_hold(struct unpcb *unp)
 {
@@ -385,7 +384,6 @@ unp_pcb_owned_lock2_slowpath(struct unpcb *unp, struct unpcb **unp2p,
 		unp_pcb_owned_lock2_slowpath((unp), &(unp2), &freed);	\
 } while (0)
 
-
 /*
  * Definitions of protocols supported in the LOCAL domain.
  */
@@ -705,7 +703,6 @@ uipc_close(struct socket *so)
 	unp = sotounpcb(so);
 	KASSERT(unp != NULL, ("uipc_close: unp == NULL"));
 
-
 	vplock = NULL;
 	if ((vp = unp->unp_vnode) != NULL) {
 		vplock = mtx_pool_find(mtxpool_sleep, vp);
@@ -1026,7 +1023,6 @@ connect_internal(struct socket *so, struct sockaddr *nam, struct thread *td)
 	return (error);
 }
 
-
 static int
 uipc_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
     struct mbuf *control, struct thread *td)
diff --git a/sys/kern/vfs_acl.c b/sys/kern/vfs_acl.c
index 4fee9e858e9e..9479706d041b 100644
--- a/sys/kern/vfs_acl.c
+++ b/sys/kern/vfs_acl.c
@@ -67,7 +67,6 @@ CTASSERT(ACL_MAX_ENTRIES >= OLDACL_MAX_ENTRIES);
 
 MALLOC_DEFINE(M_ACL, "acl", "Access Control Lists");
 
-
 static int	kern___acl_aclcheck_path(struct thread *td, const char *path,
 		    acl_type_t type, struct acl *aclp, int follow);
 static int	kern___acl_delete_path(struct thread *td, const char *path,
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index ec96659582ca..eee492ade431 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -779,7 +779,6 @@ bufspace_wait(struct bufdomain *bd, struct vnode *vp, int gbflags,
 	BD_UNLOCK(bd);
 }
 
-
 /*
  *	bufspace_daemon:
  *
@@ -942,7 +941,6 @@ waitrunningbufspace(void)
 	mtx_unlock(&rbreqlock);
 }
 
-
 /*
  *	vfs_buf_test_cache:
  *
diff --git a/sys/kern/vfs_cluster.c b/sys/kern/vfs_cluster.c
index 7ab14f05fcfd..68e0d00c9954 100644
--- a/sys/kern/vfs_cluster.c
+++ b/sys/kern/vfs_cluster.c
@@ -802,7 +802,6 @@ cluster_write(struct vnode *vp, struct buf *bp, u_quad_t filesize, int seqcount,
 	vp->v_lasta = bp->b_blkno;
 }
 
-
 /*
  * This is an awful lot like cluster_rbuild...wish they could be combined.
  * The last lbn argument is the current block on which I/O is being
diff --git a/sys/kern/vfs_extattr.c b/sys/kern/vfs_extattr.c
index f9451527d250..11867ead52ad 100644
--- a/sys/kern/vfs_extattr.c
+++ b/sys/kern/vfs_extattr.c
@@ -673,7 +673,6 @@ extattr_list_vp(struct vnode *vp, int attrnamespace, void *data,
 	return (error);
 }
 
-
 #ifndef _SYS_SYSPROTO_H_
 struct extattr_list_fd_args {
 	int fd;
diff --git a/sys/kern/vfs_init.c b/sys/kern/vfs_init.c
index c8b0684d1951..1e7a5f678469 100644
--- a/sys/kern/vfs_init.c
+++ b/sys/kern/vfs_init.c
@@ -523,7 +523,6 @@ vfs_register(struct vfsconf *vfc)
 	return (0);
 }
 
-
 /* Remove registration of a filesystem type */
 static int
 vfs_unregister(struct vfsconf *vfc)
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 1c087f8eb2d1..5f8450cfd26d 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -699,7 +699,6 @@ vntblinit(void *dummy __unused)
 }
 SYSINIT(vfs, SI_SUB_VFS, SI_ORDER_FIRST, vntblinit, NULL);
 
-
 /*
  * Mark a mount point as busy. Used to synchronize access and to delay
  * unmounting. Eventually, mountlist_mtx is not released on failure.
@@ -6130,7 +6129,6 @@ vfs_cache_root_set(struct mount *mp, struct vnode *vp)
  * This interface replaces MNT_VNODE_FOREACH.
  */
 
-
 struct vnode *
 __mnt_vnode_next_all(struct vnode **mvp, struct mount *mp)
 {
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 3f87c71817af..20ed0dc8f39d 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -4199,7 +4199,6 @@ getvnode(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp)
 	return (0);
 }
 
-
 /*
  * Get an (NFS) file handle.
  */
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
index 61edb3165e01..963550b9e1eb 100644
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -1293,7 +1293,6 @@ vn_io_fault_pgmove(vm_page_t ma[], vm_offset_t offset, int xfersize,
 	return (0);
 }
 
-
 /*
  * File table truncate routine.
  */
@@ -1855,7 +1854,6 @@ vn_finished_write(struct mount *mp)
 	MNT_IUNLOCK(mp);
 }
 
-
 /*
  * Filesystem secondary write operation has completed. If we are
  * suspending and this operation is the last one, notify the suspender
@@ -1877,8 +1875,6 @@ vn_finished_secondary_write(struct mount *mp)
 	MNT_IUNLOCK(mp);
 }
 
-
-
 /*
  * Request a filesystem to suspend write operations.
  */