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Differential D28896

Align physmem to a 2MiB block on arm64
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Authored by andrew on Feb 23 2021, 2:44 PM.
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arm64
Summary

When we create the DMAP region we assume physical memory will be
aligned and sized to a 2MiB block. Make this the case by rounding the
base up and truncating the length to a level 2 size rather than a page
size.

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Repository
rS FreeBSD src repository - subversion
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Lint Passed
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No Test Coverage
Build Status
Buildable 37311
Build 34200: arc lint + arc unit

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PathSize
sys/
kern/
25 lines

Diff 84549

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sys/kern/subr_physmem.c

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