arm64: improve UVA layout for 32bit processes
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Authored by kib on Nov 3 2023, 5:01 AM.

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Reviewers

andrew
olivier
markj
manu

Commits

rG967022aa5aa6: arm64: improve UVA layout for 32bit processes

Summary

Add compat.aarch32 tunables for maxssiz, maxdsiz, and maxvmem.
Set the default values same as for amd64.
Fix freebsd32 sysentvec on arm64 to provide sv_maxssiz, and sv_fixlimit.

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rG FreeBSD src repository

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Event Timeline

kib created this revision.Nov 3 2023, 5:01 AM

Herald added a reviewer: manu. · View Herald TranscriptNov 3 2023, 5:01 AM

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

kib requested review of this revision.Nov 3 2023, 5:01 AM

I have tested this patch (applied to 13.2-RELEASE) and find that it works.
With this patch applied, many armv7 ports that previously OOM'ed now build fine in armv7 jails on arm64.

See PR #274705 for some discussion on the background.

fuz mentioned this in R11:e0b169f1d006: graphics/lux: unbreak on armv7.Nov 3 2023, 9:18 PM

fuz mentioned this in R11:aaef96606739: graphics/lux: unbreak on armv7.Nov 3 2023, 9:24 PM

markj accepted this revision.Nov 4 2023, 4:15 PM

markj added inline comments.