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vm_page: Remove vm_page_sbusy() and vm_page_xbusy()
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Authored by markj on Nov 11 2021, 5:34 PM.
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Details

Summary

They are unused today and cannot be safely used in the face of unlocked
lookup, in which pages may be busied with the object lock held.

Obtained from: jeff (object_concurrency patches)

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Repository
rS FreeBSD src repository - subversion
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Build Status
Buildable 42735
Build 39623: arc lint + arc unit