From 6abe3bd01730535e00df8325766e80da33a409ca Mon Sep 17 00:00:00 2001
From: Alex Hornung <ahornung@gmail.com>
Date: Mon, 7 Dec 2009 10:48:29 +0000
Subject: [PATCH] dump - Unbreak VKERNELs

* VKERNELs don't support dumping, so add a dummy dumpsys() to indicate this
  on VKERNELs.

* hence also don't allocate vm_page_dump.

Reported-by: Simon "corecode" Schubert
---
 sys/kern/kern_shutdown.c | 9 +++++++++
 sys/vm/vm_page.c         | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c
index b4d4f94fdd..1ab1e48fae 100644
--- a/sys/kern/kern_shutdown.c
+++ b/sys/kern/kern_shutdown.c
@@ -812,3 +812,12 @@ set_dumper(struct dumperinfo *di)
 	dumper = *di;
 	return 0;
 }
+
+#if defined (_KERNEL_VIRTUAL)
+/* VKERNELs don't support dumps */
+void
+dumpsys(struct dumperinfo *di __unused)
+{
+	kprintf("VKERNEL doesn't support dumps\n");
+}
+#endif
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index f54b105408..1543c11879 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -242,6 +242,8 @@ vm_page_startup(vm_offset_t vaddr)
 
 	vm_page_queue_init();
 
+	/* VKERNELs don't support minidumps and as such don't need vm_page_dump */
+#if !defined(_KERNEL_VIRTUAL)
 	/*
 	 * Allocate a bitmap to indicate that a random physical page
 	 * needs to be included in a minidump.
@@ -259,6 +261,7 @@ vm_page_startup(vm_offset_t vaddr)
 	vm_page_dump = (void *)pmap_map(&vaddr, end, end + vm_page_dump_size,
 	    VM_PROT_READ | VM_PROT_WRITE);
 	bzero((void *)vm_page_dump, vm_page_dump_size);
+#endif
 
 	/*
 	 * Compute the number of pages of memory that will be available for
-- 
2.41.0