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From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Fri, 9 Dec 2016 21:21:24 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r309772 - head/sys/vm
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Author: glebius
Date: Fri Dec  9 21:21:24 2016
New Revision: 309772
URL: https://svnweb.freebsd.org/changeset/base/309772

Log:
  Allow bogus_page to be passed to pager(s).

Modified:
  head/sys/vm/vm_pager.c

Modified: head/sys/vm/vm_pager.c
==============================================================================
--- head/sys/vm/vm_pager.c	Fri Dec  9 21:17:40 2016	(r309771)
+++ head/sys/vm/vm_pager.c	Fri Dec  9 21:21:24 2016	(r309772)
@@ -84,6 +84,8 @@ __FBSDID("$FreeBSD$");
 #include <vm/vm_pager.h>
 #include <vm/vm_extern.h>
 
+extern vm_page_t bogus_page;
+
 int cluster_pbuf_freecnt = -1;	/* unlimited to begin with */
 
 struct buf *swbuf;
@@ -260,6 +262,8 @@ vm_pager_assert_in(vm_object_t object, v
 	 * not dirty and belong to the proper object.
 	 */
 	for (int i = 0 ; i < count; i++) {
+		if (m[i] == bogus_page)
+			continue;
 		vm_page_assert_xbusied(m[i]);
 		KASSERT(!pmap_page_is_mapped(m[i]),
 		    ("%s: page %p is mapped", __func__, m[i]));