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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Subscribers

emaste

imp

Details

Reviewers

manu

Group Reviewers

arm64

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

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 71534
Build 68417: arc lint + arc unit

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.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

pmap.c

1 line

include/

pmap.h

3 lines

Diff 173923

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sys/arm64/arm64/pmap.c