pmap_l1() won't return a NULL pointer.
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Authored by markj on Dec 14 2018, 8:07 PM.

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jhb
br

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rS342098: Assume that pmap_l1() will return a PTE.

Summary

We allocate the L1 page during pmap initialization, so don't bother
checking for a NULL L1 entry during lookups.

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Repository

rS FreeBSD src repository - subversion

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Event Timeline

markj created this revision.Dec 14 2018, 8:07 PM

Harbormaster completed remote builds in B21576: Diff 52023.Dec 14 2018, 8:07 PM

markj added reviewers: jhb, br.Dec 14 2018, 8:08 PM

jhb accepted this revision.Dec 14 2018, 8:28 PM

This revision is now accepted and ready to land.Dec 14 2018, 8:28 PM

Closed by commit rS342098: Assume that pmap_l1() will return a PTE. (authored by markj). · Explain WhyDec 14 2018, 9:03 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptDec 14 2018, 9:03 PM

Revision Contents
Changeset List

Path

Size

head/

sys/

riscv/

pmap.c

2 lines

Diff 52027

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head/sys/riscv/riscv/pmap.c

pmap_l1() won't return a NULL pointer.ClosedPublicActions