diff options
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 43743f4..ff8852b 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -1126,11 +1126,9 @@ vm_fault_unwire(vm_map_t map, vm_offset_t start, vm_offset_t end, * entry corresponding to a main map entry that is wired down). */ void -vm_fault_copy_entry(dst_map, src_map, dst_entry, src_entry) - vm_map_t dst_map; - vm_map_t src_map; - vm_map_entry_t dst_entry; - vm_map_entry_t src_entry; +vm_fault_copy_entry(vm_map_t dst_map, vm_map_t src_map, + vm_map_entry_t dst_entry, vm_map_entry_t src_entry, + vm_ooffset_t *fork_charge) { vm_object_t backing_object, dst_object, object; vm_object_t src_object; @@ -1161,13 +1159,16 @@ vm_fault_copy_entry(dst_map, src_map, dst_entry, src_entry) #endif VM_OBJECT_LOCK(dst_object); + KASSERT(dst_entry->object.vm_object == NULL, + ("vm_fault_copy_entry: vm_object not NULL")); dst_entry->object.vm_object = dst_object; dst_entry->offset = 0; - if (dst_entry->uip != NULL) { - dst_object->uip = dst_entry->uip; - dst_object->charge = dst_entry->end - dst_entry->start; - dst_entry->uip = NULL; - } + dst_object->uip = curthread->td_ucred->cr_ruidinfo; + uihold(dst_object->uip); + dst_object->charge = dst_entry->end - dst_entry->start; + KASSERT(dst_entry->uip == NULL, + ("vm_fault_copy_entry: leaked swp charge")); + *fork_charge += dst_object->charge; prot = dst_entry->max_protection; /* |
