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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imp

kib

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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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bnovkov created this revision.Oct 3 2024, 3:12 PM

Herald added a subscriber: imp. · View Herald TranscriptOct 3 2024, 3:12 PM

bnovkov requested review of this revision.Oct 3 2024, 3:12 PM

alc accepted this revision.Oct 3 2024, 3:24 PM

This revision is now accepted and ready to land.Oct 3 2024, 3:24 PM

kib accepted this revision.Oct 3 2024, 5:58 PM

markj accepted this revision.Oct 3 2024, 10:56 PM

bnovkov mentioned this in rG149e1af6ae49: vm_kern: Use VM_ALLOC_NOFREE when allocating 'zero_region' page.Oct 5 2024, 3:09 PM

Closing manually since phabricator didn't pick up the commit.

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sys/

vm/

vm_kern.c

3 lines

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vm_kern: Use VM_ALLOC_NOFREE when allocating 'zero_region' pageClosedPublicActions