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From: Alan Cox <alc@FreeBSD.org>
Date: Sun, 17 Sep 2017 03:34:36 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r323663 - stable/11/sys/kern
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Author: alc
Date: Sun Sep 17 03:34:36 2017
New Revision: 323663
URL: https://svnweb.freebsd.org/changeset/base/323663

Log:
  MFC r322404
    An invalid page can't be dirty.

Modified:
  stable/11/sys/kern/kern_sendfile.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/kern/kern_sendfile.c
==============================================================================
--- stable/11/sys/kern/kern_sendfile.c	Sun Sep 17 03:17:23 2017	(r323662)
+++ stable/11/sys/kern/kern_sendfile.c	Sun Sep 17 03:34:36 2017	(r323663)
@@ -366,7 +366,7 @@ sendfile_swapin(vm_object_t obj, struct sf_io *sfio, o
 		    NULL, &a) && i < j) {
 			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++;
 		}