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- Increase the scope of two vm object locks in vm_object_split().

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This commit is contained in:
Alan Cox 2003-11-02 22:52:42 +00:00
parent 12146c454b
commit 63f6cefcd5
1 changed files with 2 additions and 2 deletions
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4
sys/vm/vm_object.c
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@ -1204,6 +1204,8 @@ vm_object_split(vm_map_entry_t entry)
if (new_object == NULL)
return;
VM_OBJECT_LOCK(new_object);
VM_OBJECT_LOCK(orig_object);
source = orig_object->backing_object;
if (source != NULL) {
VM_OBJECT_LOCK(source);
@ -1218,8 +1220,6 @@ vm_object_split(vm_map_entry_t entry)
orig_object->backing_object_offset + offset;
new_object->backing_object = source;
}
VM_OBJECT_LOCK(new_object);
VM_OBJECT_LOCK(orig_object);
for (idx = 0; idx < size; idx++) {
retry:
m = vm_page_lookup(orig_object, offidxstart + idx);