diff --git a/stand/kboot/include/seg.h b/stand/kboot/include/seg.h
new file mode 100644
index 00000000000..5ca30670bdd
--- /dev/null
+++ b/stand/kboot/include/seg.h
@@ -0,0 +1,24 @@
+/*-
+ * Copyright (c) 2024, Netflix, Inc.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+struct memory_segments
+{
+	uint64_t	start;
+	uint64_t	end;
+	uint64_t	type;	/* MD defined */
+};
+
+#define SYSTEM_RAM 1
+void init_avail(void);
+void need_avail(int n);
+void add_avail(uint64_t start, uint64_t end, uint64_t type);
+void remove_avail(uint64_t start, uint64_t end, uint64_t type);
+uint64_t first_avail(uint64_t align, uint64_t min_size, uint64_t type);
+void print_avail(void);
+bool populate_avail_from_iomem(void);
+uint64_t space_avail(uint64_t start);
diff --git a/stand/kboot/kboot/Makefile b/stand/kboot/kboot/Makefile
index 064d43701eb..0f6bb994711 100644
--- a/stand/kboot/kboot/Makefile
+++ b/stand/kboot/kboot/Makefile
@@ -25,7 +25,6 @@ SRCS=	\
 		hostfs.c \
 		init.c \
 		main.c \
-		seg.c \
 		util.c \
 		vers.c
 
diff --git a/stand/kboot/kboot/kboot.h b/stand/kboot/kboot/kboot.h
index 49e5dea25b1..2a6e98ae551 100644
--- a/stand/kboot/kboot/kboot.h
+++ b/stand/kboot/kboot/kboot.h
@@ -9,13 +9,6 @@
 
 #define DEVT_HOSTDISK 1234
 
-struct memory_segments
-{
-	uint64_t	start;
-	uint64_t	end;
-	uint64_t	type;	/* MD defined */
-};
-
 bool enumerate_memory_arch(void);
 struct preloaded_file;
 void bi_loadsmap(struct preloaded_file *kfp);
@@ -40,19 +33,10 @@ const char *hostdisk_gen_probe(void);
 void hostdisk_zfs_probe(void);
 bool hostdisk_zfs_find_default(void);
 
-/* seg.c */
-#define SYSTEM_RAM 1
-void init_avail(void);
-void need_avail(int n);
-void add_avail(uint64_t start, uint64_t end, uint64_t type);
-void remove_avail(uint64_t start, uint64_t end, uint64_t type);
-uint64_t first_avail(uint64_t align, uint64_t min_size, uint64_t type);
-void print_avail(void);
-bool populate_avail_from_iomem(void);
-uint64_t space_avail(uint64_t start);
-
 /* util.c */
 bool file2str(const char *fn, char *buffer, size_t buflen);
 bool file2u64(const char *fn, uint64_t *val);
 
+#include "seg.h"
+
 #endif /* KBOOT_H */
diff --git a/stand/kboot/libkboot/Makefile b/stand/kboot/libkboot/Makefile
index 7cdb3db5193..7acec951107 100644
--- a/stand/kboot/libkboot/Makefile
+++ b/stand/kboot/libkboot/Makefile
@@ -9,6 +9,7 @@ CFLAGS+=-I${.CURDIR} -I${.CURDIR}/arch/${MACHINE_ARCH}
 SRCS=	crt1.c
 SRCS+=	host_syscall.S
 SRCS+=	host_syscalls.c
+SRCS+=	seg.c
 SRCS+=	termios.c
 
 .sinclude "${.CURDIR}/arch/${MACHINE_ARCH}/Makefile.inc"
diff --git a/stand/kboot/kboot/seg.c b/stand/kboot/libkboot/seg.c
similarity index 99%
rename from stand/kboot/kboot/seg.c
rename to stand/kboot/libkboot/seg.c
index 558cac50122..395c593bcab 100644
--- a/stand/kboot/kboot/seg.c
+++ b/stand/kboot/libkboot/seg.c
@@ -5,7 +5,7 @@
  */
 
 #include "stand.h"
-#include "kboot.h"
+#include "seg.h"
 
 #include <sys/param.h>