svn commit: r322404 - head/sys/kern

[Alan Cox]

Author: alc
Date: Fri Aug 11 16:27:54 2017
New Revision: 322404
URL: https://svnweb.freebsd.org/changeset/base/322404

Log:
  An invalid page can't be dirty.
  
  Reviewed by:	kib
  MFC after:	1 week

Modified:
  head/sys/kern/kern_sendfile.c

Modified: head/sys/kern/kern_sendfile.c
==============================================================================
--- head/sys/kern/kern_sendfile.c	Fri Aug 11 14:19:55 2017	(r322403)
+++ head/sys/kern/kern_sendfile.c	Fri Aug 11 16:27:54 2017	(r322404)
@@ -355,7 +355,7 @@ sendfile_swapin(vm_object_t obj, struct sf_io *sfio, o
 		    &a)) {
 			pmap_zero_page(pa[i]);
 			pa[i]->valid = VM_PAGE_BITS_ALL;
-			pa[i]->dirty = 0;
+			MPASS(pa[i]->dirty == 0);
 			vm_page_xunbusy(pa[i]);
 			i++;
 			continue;