svn commit: r356026 - head/sys/vm

Jeff Roberson jeff at FreeBSD.org
Sun Dec 22 20:35:50 UTC 2019


Author: jeff
Date: Sun Dec 22 20:35:50 2019
New Revision: 356026
URL: https://svnweb.freebsd.org/changeset/base/356026

Log:
  Fix a bug introduced in r356002.  Prior versions of this patchset had
  vm_page_remove() rather than !vm_page_wired() as the condition for free.
  When this changed back to wired the busy lock was leaked.
  
  Reported by:	pho
  Reviewed by:	markj

Modified:
  head/sys/vm/vm_fault.c

Modified: head/sys/vm/vm_fault.c
==============================================================================
--- head/sys/vm/vm_fault.c	Sun Dec 22 20:34:15 2019	(r356025)
+++ head/sys/vm/vm_fault.c	Sun Dec 22 20:35:50 2019	(r356026)
@@ -180,6 +180,8 @@ fault_page_free(vm_page_t *mp)
 		VM_OBJECT_ASSERT_WLOCKED(m->object);
 		if (!vm_page_wired(m))
 			vm_page_free(m);
+		else
+			vm_page_xunbusy(m);
 		*mp = NULL;
 	}
 }


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