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-rw-r--r--sys/vm/vm_map.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index 471e0af..e2e9f47 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -2155,6 +2155,10 @@ vmspace_fork(vm1)
&old_entry->offset,
atop(old_entry->end - old_entry->start));
old_entry->eflags &= ~MAP_ENTRY_NEEDS_COPY;
+ /* Transfer the second reference too. */
+ vm_object_reference(
+ old_entry->object.vm_object);
+ vm_object_deallocate(object);
object = old_entry->object.vm_object;
}
vm_object_clear_flag(object, OBJ_ONEMAPPING);
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