From 6a8558cf9f0190cb166042f97d2c883d822e66b2 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 10 Aug 2026 21:09:11 +0300
Subject: [PATCH] vm/vm_phys.c: allow PHYS_TO_VM_PAGE(0) for registered
 fictitious page @0

PR:	296348
Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D58785
---
 sys/vm/vm_phys.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/vm/vm_phys.c b/sys/vm/vm_phys.c
index 975754264fee..509d71b69854 100644
--- a/sys/vm/vm_phys.c
+++ b/sys/vm/vm_phys.c
@@ -212,9 +212,6 @@ static inline int
 vm_phys_fictitious_in_range(struct vm_phys_fictitious_seg *p,
     struct vm_phys_fictitious_seg *range)
 {
-
-	KASSERT(range->start != 0 && range->end != 0,
-	    ("Invalid range passed on search for vm_fictitious page"));
 	if (p->start >= range->end)
 		return (1);
 	if (p->start < range->start)