svn commit: r349973 - head/sys/i386/i386

[Alan Cox]

Author: alc
Date: Sat Jul 13 15:53:28 2019
New Revision: 349973
URL: https://svnweb.freebsd.org/changeset/base/349973

Log:
  Remove a stale comment.
  
  Reported by:	markj
  MFC after:	1 week

Modified:
  head/sys/i386/i386/pmap.c

Modified: head/sys/i386/i386/pmap.c
==============================================================================
--- head/sys/i386/i386/pmap.c	Sat Jul 13 15:34:29 2019	(r349972)
+++ head/sys/i386/i386/pmap.c	Sat Jul 13 15:53:28 2019	(r349973)
@@ -5096,13 +5096,6 @@ __CONCAT(PMTYPE, ts_referenced)(vm_page_t m)
 			 * reference bit will result in clearing that bit.
 			 * This function is designed to avoid the selection of
 			 * the same 4KB page for every 2- or 4MB page mapping.
-			 *
-			 * On demotion, a mapping that hasn't been referenced
-			 * is simply destroyed.  To avoid the possibility of a
-			 * subsequent page fault on a demoted wired mapping,
-			 * always leave its reference bit set.  Moreover,
-			 * since the superpage is wired, the current state of
-			 * its reference bit won't affect page replacement.
 			 */
 			if ((((pa >> PAGE_SHIFT) ^ (pv->pv_va >> PDRSHIFT) ^
 			    (uintptr_t)pmap) & (NPTEPG - 1)) == 0 &&