D38964.diff
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D38964.diff
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	diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c
	--- a/sys/vm/vm_fault.c
	+++ b/sys/vm/vm_fault.c
	@@ -1047,6 +1047,8 @@
	{
	vm_object_t next_object;

	+ VM_OBJECT_ASSERT_WLOCKED(fs->object);
	+
	/*
	* The requested page does not exist at this object/
	* offset. Remove the invalid page from the object,
	@@ -1067,7 +1069,6 @@
	* Move on to the next object. Lock the next object before
	* unlocking the current one.
	*/
	- VM_OBJECT_ASSERT_WLOCKED(fs->object);
	next_object = fs->object->backing_object;
	if (next_object == NULL)
	return (false);
	@@ -1382,6 +1383,8 @@
	enum fault_status res;
	bool dead;

	+ VM_OBJECT_ASSERT_WLOCKED(fs->object);
	+
	/*
	* If the object is marked for imminent termination, we retry
	* here, since the collapse pass has raced with us. Otherwise,
	@@ -1416,7 +1419,6 @@
	return (FAULT_SOFT);
	}
	}
	- VM_OBJECT_ASSERT_WLOCKED(fs->object);

	/*
	* Page is not resident. If the pager might contain the page