Differential D48638

vm_phys_early_alloc_ex*(): Introduce VM_PHYS_EAF_ADDR_BOUNDARIES_FIRST
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Authored by olce on Jan 23 2025, 5:16 PM.

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Reviewers

markj
dougm
alc

Summary

This new flag allows to specify a preference for chunks at boundaries in
phys_avail[].

When present, the vm_phys_early_alloc_ex*() functions first behave as if
VM_PHYS_EAF_ADDR_BOUNDARIES had been specified and other conflicting
flags or arguments ('chunk_start_idx') not present, but if that fails,
they will then fallback to an allocation with the other passed flags and
parameters.

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Repository

rG FreeBSD src repository

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Build Status

Buildable 61937
Build 58821: arc lint + arc unit

Event Timeline

olce created this revision.Jan 23 2025, 5:16 PM

Herald added a subscriber: imp. · View Herald TranscriptJan 23 2025, 5:16 PM

olce requested review of this revision.Jan 23 2025, 5:16 PM

Harbormaster completed remote builds in B61937: Diff 149794.Jan 23 2025, 5:16 PM

olce added a parent revision: D48637: vm_phys_early_alloc(): Align to PAGE_SIZE; Review callers' alignment.Jan 23 2025, 5:21 PM

olce added a child revision: D48639: vm_phys_early_alloc(): Prefer allocation at boundaries by default.

olce removed a parent revision: D48637: vm_phys_early_alloc(): Align to PAGE_SIZE; Review callers' alignment.Fri, Feb 7, 8:02 PM

olce added a parent revision: D48894: vm_phys_early_alloc(): Remove the 'domain' argument.

Update the diff as the base has changed after the update of parent revisions.

Harbormaster completed remote builds in B62308: Diff 150705.Fri, Feb 7, 8:04 PM

Revision Contents
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sys/

vm/

11 lines

34 lines

Diff 149794

sys/vm/vm_phys.h

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sys/vm/vm_phys.c

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