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o Traverse the object's memq rather than repeatedly calling vm_page_lookup()

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in vm_object_split().
This commit is contained in:
alc 2002-07-07 06:01:25 +00:00
parent 8bf1a039cb
commit 8c632c03ee
1 changed files with 2 additions and 5 deletions
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7
sys/vm/vm_object.c
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@ -1276,11 +1276,8 @@ vm_object_split(vm_map_entry_t entry)
swap_pager_copy(orig_object, new_object, offidxstart, 0);
vm_object_pip_wakeup(orig_object);
}
for (idx = 0; idx < size; idx++) {
m = vm_page_lookup(new_object, idx);
if (m != NULL)
vm_page_wakeup(m);
}
TAILQ_FOREACH(m, &new_object->memq, listq)
vm_page_wakeup(m);
entry->object.vm_object = new_object;
entry->offset = 0LL;
vm_object_deallocate(orig_object);