Differential D2724 Diff 51378 head/sys/vm/vm_object.c

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head/sys/vm/vm_object.c

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/* Release the accumulated object locks. */		/* Release the accumulated object locks. */
for (tobject = object; locked_depth >= 1; locked_depth--) {		for (tobject = object; locked_depth >= 1; locked_depth--) {
t1object = tobject->backing_object;		t1object = tobject->backing_object;
VM_OBJECT_RUNLOCK(tobject);		VM_OBJECT_RUNLOCK(tobject);
tobject = t1object;		tobject = t1object;
}		}
}		}

		/*
		* Return the vnode for the given object, or NULL if none exists.
		* For tmpfs objects, the function may return NULL if there is
		* no vnode allocated at the time of the call.
		*/
struct vnode *		struct vnode *
vm_object_vnode(vm_object_t object)		vm_object_vnode(vm_object_t object)
{		{
		struct vnode *vp;

VM_OBJECT_ASSERT_LOCKED(object);		VM_OBJECT_ASSERT_LOCKED(object);
if (object->type == OBJT_VNODE)		if (object->type == OBJT_VNODE) {
return (object->handle);		vp = object->handle;
if (object->type == OBJT_SWAP && (object->flags & OBJ_TMPFS) != 0)		KASSERT(vp != NULL, ("%s: OBJT_VNODE has no vnode", __func__));
return (object->un_pager.swp.swp_tmpfs);		} else if (object->type == OBJT_SWAP &&
return (NULL);		(object->flags & OBJ_TMPFS) != 0) {
		vp = object->un_pager.swp.swp_tmpfs;
		KASSERT(vp != NULL, ("%s: OBJT_TMPFS has no vnode", __func__));
		} else {
		vp = NULL;
		}
		return (vp);
}		}

static int		static int
sysctl_vm_object_list(SYSCTL_HANDLER_ARGS)		sysctl_vm_object_list(SYSCTL_HANDLER_ARGS)
{		{
struct kinfo_vmobject *kvo;		struct kinfo_vmobject *kvo;
char fullpath, freepath;		char fullpath, freepath;
struct vnode *vp;		struct vnode *vp;
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