svn commit: r349183 - head/sys/arm64/arm64

Alan Cox alc at FreeBSD.org
Wed Jun 19 03:33:01 UTC 2019


Author: alc
Date: Wed Jun 19 03:33:00 2019
New Revision: 349183
URL: https://svnweb.freebsd.org/changeset/base/349183

Log:
  Correct an error in r349122.  pmap_unwire() should update the pmap's wired
  count, not its resident count.
  
  X-MFC with:	r349122

Modified:
  head/sys/arm64/arm64/pmap.c

Modified: head/sys/arm64/arm64/pmap.c
==============================================================================
--- head/sys/arm64/arm64/pmap.c	Wed Jun 19 01:28:13 2019	(r349182)
+++ head/sys/arm64/arm64/pmap.c	Wed Jun 19 03:33:00 2019	(r349183)
@@ -3777,8 +3777,8 @@ pmap_unwire(pmap_t pmap, vm_offset_t sva, vm_offset_t 
 			 */
 			if (sva + L2_SIZE == va_next && eva >= va_next) {
 				atomic_clear_64(l2, ATTR_SW_WIRED);
-				pmap_resident_count_dec(pmap, L2_SIZE /
-				    PAGE_SIZE);
+				pmap->pm_stats.wired_count -= L2_SIZE /
+				    PAGE_SIZE;
 				continue;
 			} else if (pmap_demote_l2(pmap, l2, sva) == NULL)
 				panic("pmap_unwire: demotion failed");


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