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vm_kern: Use VM_ALLOC_NOFREE when allocating 'zero_region' page
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Authored by bnovkov on Oct 3 2024, 3:12 PM.
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markj
alc
kib
Summary

Following @kib 's suggestion in D46699, add VM_ALLOC_NOFREE to zero_region allocation flags since the zero_region page never gets released.

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rG FreeBSD src repository
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