Home > Term: shadow object
shadow object
In Mach VM, a memory object that holds modified pages that originally belonged to another memory object. It is used when an object that was duplicated in a copy-on-write fashion is modified. If a page is not found in this shadow object, the original object is referenced.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Software; Computer
- Category: Operating systems
- Company: Apple
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