arm64: Add support for per-page flags
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Authored by andrew on Mar 19 2026, 4:06 PM.

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emaste

imp

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manu

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arm64

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rGd63a62fb3504: arm64: Add support for per-page flags

Summary

We need to store some extra information about a page, e.g. the state of
the MTE tags. Add a MD flags field to each page.

Diff Detail

Repository

rG FreeBSD src repository

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Tests Not Applicable

Event Timeline

andrew created this revision.Mar 19 2026, 4:06 PM

Herald added a reviewer: manu. · View Herald TranscriptMar 19 2026, 4:06 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Mar 19 2026, 4:06 PM

Harbormaster completed remote builds in B71534: Diff 173923.Mar 19 2026, 4:06 PM

andrew added a parent revision: D55952: arm64: Check for MTE tag failures on kernel entry.Mar 19 2026, 4:06 PM

andrew added a child revision: D55954: arm64: Add vm_page_t MTE flags.

This revision was not accepted when it landed; it landed in state Needs Review.Wed, May 27, 3:24 PM

Closed by commit rGd63a62fb3504: arm64: Add support for per-page flags (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGd63a62fb3504: arm64: Add support for per-page flags.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

pmap.c

1 line

include/

pmap.h

3 lines

Diff 178738

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sys/arm64/arm64/pmap.c