[Feature] Crystal Ridge - have 4k DAX faults use a common zero page
Bug #1704439 reported by
Alice Liu
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
intel |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Medium
|
Seth Forshee | ||
Artful |
Fix Released
|
Medium
|
Seth Forshee |
Bug Description
Description
- Move the DAX 4k zero page handling to use a single 4k zero page instead
of allocating pages on demand. This will mirror the way that things are
done for the 2 MiB case, and will reduce the amount of memory we use
when reading 4k holes in DAX.
Target Kernel:4.14
Target Release: 18.04
information type: | Proprietary → Private |
description: | updated |
Changed in linux (Ubuntu Artful): | |
status: | New → Triaged |
importance: | Undecided → Medium |
assignee: | nobody → Seth Forshee (sforshee) |
information type: | Private → Public |
Changed in linux (Ubuntu Artful): | |
status: | Triaged → Fix Committed |
Changed in intel: | |
status: | New → Fix Released |
To post a comment you must log in.
Merged in v4.14-rc1.
Commit ids:
527b19d0808e
91d25ba8a6b0
b2770da64254
d01ad197ac3b
e30331ff05f6