diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -266,6 +266,7 @@
 	pmap_copy.9 \
 	pmap_enter.9 \
 	pmap_extract.9 \
+	pmap_kextract.9 \
 	pmap_growkernel.9 \
 	pmap_init.9 \
 	pmap_is_modified.9 \
@@ -1806,6 +1807,7 @@
 	PHOLD.9 PROC_ASSERT_NOT_HELD.9
 MLINKS+=pmap_copy.9 pmap_copy_page.9
 MLINKS+=pmap_extract.9 pmap_extract_and_hold.9
+MLINKS+=pmap_kextract.9 vtophys.9
 MLINKS+=pmap_init.9 pmap_init2.9
 MLINKS+=pmap_is_modified.9 pmap_ts_referenced.9
 MLINKS+=pmap_pinit.9 pmap_pinit0.9 \
diff --git a/share/man/man9/pmap_kextract.9 b/share/man/man9/pmap_kextract.9
new file mode 100644
--- /dev/null
+++ b/share/man/man9/pmap_kextract.9
@@ -0,0 +1,74 @@
+.\"
+.\" Copyright (c) 2023 Mina Galić <FreeBSD@igalic.co>
+.\"
+.\" 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.
+.\"
+.Dd August 22, 2023
+.Dt PMAP_KEXTRACT 9
+.Os
+.Sh NAME
+.Nm pmap_kextract ,
+.Nm vtophys
+.Nd extract from kernel page table to a physical address
+.Sh SYNOPSIS
+.In sys/param.h
+.In vm/vm.h
+.In vm/pmap.h
+.Ft vm_paddr_t
+.Fo pmap_kextract
+.Fa "vm_offset_t va"
+.Fc
+.Ft vm_paddr_t
+.Fo vtophys
+.Fa "vm_offset_t va"
+.Fc
+.Sh DESCRIPTION
+The
+.Fn pmap_kextract
+function and its alias
+.Fn vtophys
+map a virtual kernel address to a physical page.
+.Pp
+.Sh RETURN VALUES
+The
+.Fn pmap_kextract
+function will return the physical page address associated with the
+virtual kernel address
+.Fa va
+inside the physical map of the address space.
+In case of failure, some platform's implementation of
+.Fn pmap_kextract
+returns
+.Dv NULL ,
+while other platforms
+.Xr panic 9 .
+.Sh SEE ALSO
+.Xr mutex 9 ,
+.Xr pmap 9
+.Sh AUTHORS
+.An -nosplit
+This manual page was written by
+.An Mina Galić Aq Mt FreeBSD@igalic.co ,
+based on the
+.Xr pmap_extract 9
+page written by
+.An Bruce M Simpson Aq Mt bms@spc.org .