svn commit: r322383 - head/sys/vm

[Mark Johnston]

Author: markj
Date: Thu Aug 10 22:43:38 2017
New Revision: 322383
URL: https://svnweb.freebsd.org/changeset/base/322383

Log:
  Make vm_page_sunbusy() assert that the page is unlocked.
  
  Reviewed by:	kib
  MFC after:	1 week
  Sponsored by:	Dell EMC Isilon
  Differential Revision:	https://reviews.freebsd.org/D11946

Modified:
  head/sys/vm/vm_page.c

Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c	Thu Aug 10 22:15:42 2017	(r322382)
+++ head/sys/vm/vm_page.c	Thu Aug 10 22:43:38 2017	(r322383)
@@ -757,6 +757,7 @@ vm_page_sunbusy(vm_page_t m)
 {
 	u_int x;
 
+	vm_page_lock_assert(m, MA_NOTOWNED);
 	vm_page_assert_sbusied(m);
 
 	for (;;) {