svn commit: r332935 - stable/11/sys/vm

[Mark Johnston]

Author: markj
Date: Tue Apr 24 14:35:39 2018
New Revision: 332935
URL: https://svnweb.freebsd.org/changeset/base/332935

Log:
  MFC r332658:
  Ensure that m and skip_m belong to the same object.

Modified:
  stable/11/sys/vm/vm_page.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/vm/vm_page.c
==============================================================================
--- stable/11/sys/vm/vm_page.c	Tue Apr 24 14:02:46 2018	(r332934)
+++ stable/11/sys/vm/vm_page.c	Tue Apr 24 14:35:39 2018	(r332935)
@@ -3733,6 +3733,8 @@ vm_page_ps_test(vm_page_t m, int flags, vm_page_t skip
 	int i, npages;
 
 	object = m->object;
+	if (skip_m != NULL && skip_m->object != object)
+		return (false);
 	VM_OBJECT_ASSERT_LOCKED(object);
 	npages = atop(pagesizes[m->psind]);