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Page passivation

Page passivation is used to improve system performance by removing pages from the clipboard that have not been accessed by a requestor for a specified period of time. Other pages for that requestor remain in memory, and requestor processing continues normally until that page is needed (such as for read access or for update) and is reactivated into memory.

Similarly, when an entire thread or requestor is inactive, the thread context or requestor context can be passivated (including the associated clipboard pages).

By default, the passivation daemon, which operates once per minute, passivates the following: