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Differential D39808

buf: Dynamically allocate per-CPU buffer queues
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Authored by markj on Apr 25 2023, 5:22 PM.
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Reviewers
kib
mjg
jhb
emaste
Commits
rGaec3c884057a: buf: Dynamically allocate per-CPU buffer queues
rGe72f7ed43eef: buf: Dynamically allocate per-CPU buffer queues
Summary

To reduce static bloat. No functional change intended.

Diff Detail

Repository
rG FreeBSD src repository
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Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 51215
Build 48106: arc lint + arc unit

Event Timeline

markj created this revision.Apr 25 2023, 5:22 PM
Herald added a subscriber: imp. · View Herald TranscriptApr 25 2023, 5:22 PM
markj requested review of this revision.Apr 25 2023, 5:22 PM
Harbormaster completed remote builds in B51182: Diff 121015.Apr 25 2023, 5:22 PM
markj added a parent revision: D39807: callout: Move per-CPU callout state into the dpcpu region.Apr 25 2023, 5:22 PM
mjg accepted this revision.Apr 25 2023, 5:25 PM
This revision is now accepted and ready to land.Apr 25 2023, 5:25 PM
emaste accepted this revision.Apr 25 2023, 5:40 PM
emaste added inline comments.
sys/kern/vfs_bio.c
121

The comment should perhaps be moved to the allocation? It's really justifying the +1 or mp_maxid + 2 IMO?

kib accepted this revision.Apr 26 2023, 1:27 AM
kib added inline comments.
sys/kern/vfs_bio.c
121

No, it needs +2, since bd_subq[mp_maxid] is populated by maxid cpu queue.

emaste added inline comments.Apr 26 2023, 1:35 AM
sys/kern/vfs_bio.c
121

I just meant that the comment is explaining why it's +1 (in main now) or +2 (with mark's change) and should go at line 1917

markj updated this revision to Diff 121085.Apr 26 2023, 1:49 PM
markj marked 3 inline comments as done.

Move the comment to the right place.

This revision now requires review to proceed.Apr 26 2023, 1:49 PM
Harbormaster completed remote builds in B51215: Diff 121085.Apr 26 2023, 1:49 PM
emaste accepted this revision.Apr 26 2023, 1:58 PM
This revision is now accepted and ready to land.Apr 26 2023, 1:58 PM
Closed by commit rGe72f7ed43eef: buf: Dynamically allocate per-CPU buffer queues (authored by markj). · Explain WhyApr 26 2023, 2:14 PM
This revision was automatically updated to reflect the committed changes.
markj added a commit: rGe72f7ed43eef: buf: Dynamically allocate per-CPU buffer queues.
markj added a commit: rGaec3c884057a: buf: Dynamically allocate per-CPU buffer queues.May 11 2023, 1:33 PM

Revision Contents
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sys/
kern/
5 lines

Diff 121085

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sys/kern/vfs_bio.c

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