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amd64 pmap: conditionalize per-superpage locks on NUMA
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Authored by mjg on Oct 11 2019, 4:10 PM.
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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

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rS FreeBSD src repository - subversion
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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.

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amd64/
amd64/
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head/sys/amd64/amd64/pmap.c

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