diff options
| -rw-r--r-- | sys/vm/vm_map.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 68cf4e1..bc3bea9 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -2157,7 +2157,15 @@ vmspace_fork(vm1) old_entry->start)); old_entry->object.vm_object = object; old_entry->offset = (vm_offset_t) 0; - } + } else if (old_entry->eflags & MAP_ENTRY_NEEDS_COPY) { + vm_object_shadow(&old_entry->object.vm_object, + &old_entry->offset, + OFF_TO_IDX(old_entry->end - + old_entry->start)); + + old_entry->eflags &= ~MAP_ENTRY_NEEDS_COPY; + object = old_entry->object.vm_object; + } /* * Clone the entry, referencing the sharing map. |
