From 67e981396d70d32ae0d9d2c6631d4bca92c17d49 Mon Sep 17 00:00:00 2001
From: miod <miod@openbsd.org>
Date: Wed, 3 Apr 2024 18:43:32 +0000
Subject: [PATCH] pmap_virtual_space() and pmap_steal_memory() are mutually
 exclusive, so make sure only one of them is prototyped and only one of them
 is implemented. ok mpi@ kettenis@

---
 sys/arch/amd64/amd64/pmap.c | 9 +--------
 sys/arch/i386/i386/pmap.c   | 4 ++--
 sys/uvm/uvm_pmap.h          | 5 +++--
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/sys/arch/amd64/amd64/pmap.c b/sys/arch/amd64/amd64/pmap.c
index 1886ef87322..4d86cb3f20d 100644
--- a/sys/arch/amd64/amd64/pmap.c
+++ b/sys/arch/amd64/amd64/pmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pmap.c,v 1.165 2023/12/29 13:23:27 jca Exp $	*/
+/*	$OpenBSD: pmap.c,v 1.166 2024/04/03 18:43:32 miod Exp $	*/
 /*	$NetBSD: pmap.c,v 1.3 2003/05/08 18:13:13 thorpej Exp $	*/
 
 /*
@@ -3105,13 +3105,6 @@ pmap_steal_memory(vsize_t size, vaddr_t *start, vaddr_t *end)
 	return (va);
 }
 
-void
-pmap_virtual_space(vaddr_t *vstartp, vaddr_t *vendp)
-{
-	*vstartp = virtual_avail;
-	*vendp = VM_MAX_KERNEL_ADDRESS;
-}
-
 /*
  * pmap_convert
  *
diff --git a/sys/arch/i386/i386/pmap.c b/sys/arch/i386/i386/pmap.c
index 8c66ae97579..dc7f8a152d4 100644
--- a/sys/arch/i386/i386/pmap.c
+++ b/sys/arch/i386/i386/pmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pmap.c,v 1.222 2023/04/13 15:23:22 miod Exp $	*/
+/*	$OpenBSD: pmap.c,v 1.223 2024/04/03 18:43:32 miod Exp $	*/
 /*	$NetBSD: pmap.c,v 1.91 2000/06/02 17:46:37 thorpej Exp $	*/
 
 /*
@@ -1555,7 +1555,7 @@ pmap_extract_86(struct pmap *pmap, vaddr_t va, paddr_t *pap)
 }
 
 /*
- * pmap_virtual_space: used during bootup [pmap_steal_memory] to
+ * pmap_virtual_space: used during bootup [uvm_pageboot_alloc] to
  *	determine the bounds of the kernel virtual address space.
  */
 
diff --git a/sys/uvm/uvm_pmap.h b/sys/uvm/uvm_pmap.h
index c5507ca17a3..e03f051234a 100644
--- a/sys/uvm/uvm_pmap.h
+++ b/sys/uvm/uvm_pmap.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_pmap.h,v 1.33 2023/04/13 15:23:23 miod Exp $	*/
+/*	$OpenBSD: uvm_pmap.h,v 1.34 2024/04/03 18:43:32 miod Exp $	*/
 /*	$NetBSD: uvm_pmap.h,v 1.1 2000/06/27 09:00:14 mrg Exp $	*/
 
 /* 
@@ -173,9 +173,10 @@ void		 pmap_update(pmap_t);
 void		 pmap_zero_page(struct vm_page *);
 #endif
 
-void		 pmap_virtual_space(vaddr_t *, vaddr_t *);
 #if defined(PMAP_STEAL_MEMORY)
 vaddr_t		 pmap_steal_memory(vsize_t, vaddr_t *, vaddr_t *);
+#else
+void		 pmap_virtual_space(vaddr_t *, vaddr_t *);
 #endif
 
 /* nested pmaps are used in i386/amd64 vmm */
-- 
2.20.1