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-rw-r--r--sys/vm/vm_fault.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c
index 98b6b09..4314fda 100644
--- a/sys/vm/vm_fault.c
+++ b/sys/vm/vm_fault.c
@@ -1011,8 +1011,8 @@ vm_fault_prefault(pmap_t pmap, vm_offset_t addra, vm_map_entry_t entry)
while ((m = vm_page_lookup(lobject, pindex)) == NULL &&
lobject->type == OBJT_DEFAULT &&
(backing_object = lobject->backing_object) != NULL) {
- if (lobject->backing_object_offset & PAGE_MASK)
- break;
+ KASSERT((lobject->backing_object_offset & PAGE_MASK) ==
+ 0, ("vm_fault_prefault: unaligned object offset"));
pindex += lobject->backing_object_offset >> PAGE_SHIFT;
VM_OBJECT_LOCK(backing_object);
VM_OBJECT_UNLOCK(lobject);
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