Page MenuHomeFreeBSD
Differential D21982

amd64 pmap: conditionalize per-superpage locks on NUMA
ClosedPublic
Actions

Authored by mjg on Oct 11 2019, 4:10 PM.
Tags
None
Referenced Files
Unknown Object (File)
Mon, Apr 20, 9:13 AM
Unknown Object (File)
Mon, Apr 20, 8:54 AM
Unknown Object (File)
Sun, Apr 19, 10:51 PM
Unknown Object (File)
Sun, Apr 19, 9:07 PM
Unknown Object (File)
Sun, Apr 19, 2:18 PM
Unknown Object (File)
Mon, Apr 6, 4:04 AM
Unknown Object (File)
Sun, Mar 29, 7:18 AM
Unknown Object (File)
Mar 23 2026, 8:57 AM
View All 85 Files
Subscribers
imp

Details

Reviewers
alc
jeff
markj
kib
Commits
rS353906: amd64 pmap: conditionalize per-superpage locks on NUMA
Summary

Instead of superpages use. The current code employs superpage-wide locking regardless and the better locking granularity is welcome with NUMA enabled even when superpage support is not used.

Requested by: alc

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

mjg created this revision.Oct 11 2019, 4:10 PM
Herald added a subscriber: imp. · View Herald TranscriptOct 11 2019, 4:10 PM
Harbormaster completed remote builds in B26989: Diff 63153.Oct 11 2019, 4:10 PM
mjg added inline comments.Oct 11 2019, 4:10 PM
sys/amd64/amd64/pmap.c
425 ↗(On Diff #63153)

whitespace, will fix prior to commit

mjg edited the summary of this revision. (Show Details)Oct 11 2019, 4:22 PM
alc accepted this revision.Oct 11 2019, 10:14 PM
This revision is now accepted and ready to land.Oct 11 2019, 10:14 PM
Closed by commit rS353906: amd64 pmap: conditionalize per-superpage locks on NUMA (authored by mjg). · Explain WhyOct 22 2019, 10:56 PM
This revision was automatically updated to reflect the committed changes.
mjg added a commit: rS353906: amd64 pmap: conditionalize per-superpage locks on NUMA.

Revision Contents
Changeset List

PathSize
head/
sys/
amd64/
amd64/
8 lines

Diff 63559

View Options

head/sys/amd64/amd64/pmap.c

Loading...