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arm64: Increase dmap size to 95 TiB
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Authored by scottph on Aug 20 2020, 6:59 AM.

Details

Summary

The Ampere Altra has physical memory populated sparsely within the
physical address space. Increase the size of the dmap to cover all
physical memory.

MFC after: 1 week
Sponsored by: Ampere Computing, Inc.

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Repository
rS FreeBSD src repository
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Event Timeline

Reviews D26128, D26129, D26130, D26131, D26132, D26133 deal with various arrays that explode in size when the last physical address becomes really huge.

We only map physical memory that exists, so this shouldn't cause a problem on existing systems.

This revision is now accepted and ready to land.Aug 20 2020, 7:35 AM
This revision was automatically updated to reflect the committed changes.