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Add an assertion to pmap_enter().
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Authored by markj on Oct 20 2018, 8:03 PM.
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Details

Summary

When faulting on an existing mapping, if the mapping is managed, it
should have a PV entry. Verify this.

I found this useful while debugging some modifications.

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rS FreeBSD src repository - subversion
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Event Timeline

sys/amd64/amd64/pmap.c
5063 ↗(On Diff #49350)

Based on line 5047, (origpte & PG_MANAGED) == 0 can never be true.

markj marked 2 inline comments as done.
  • Address Alan's comment.
sys/amd64/amd64/pmap.c
5063 ↗(On Diff #49350)

Thanks, I originally had this assertion further down.

This revision is now accepted and ready to land.Oct 20 2018, 8:25 PM
This revision was automatically updated to reflect the committed changes.