mm: Preemptibility -v8
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b4 am [email protected]Versions newest first
- v1 Latest8 patches 2 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/8 | lockdep, mutex: Provide mutex_lock_nest_lockinclude/ include/ kernel/ | +29 | 0 replies | |
| 2/8 | mm: Remove i_mmap_mutex lockbreakinclude/ include/ include/ +4 more | +27 | 1 reply | |
| 3/8 | mm: Convert i_mmap_lock to a mutexDocumentation/ Documentation/ arch/ +16 more | +60 | 0 replies | |
| 4/8 | mm: Revert page_lock_anon_vma() lock annotationinclude/ mm/ | +2 | 0 replies | |
| 5/8 | mm: Improve page_lock_anon_vma() commentmm/ | +16 | 0 replies | |
| 6/8 | mm: Use refcounts for page_lock_anon_vma()mm/ mm/ | +31 | 0 replies | |
| 7/8 | mm: Convert anon_vma->lock to a mutexinclude/ include/ include/ +3 more | +21 | 0 replies | |
| 8/8 | mm: Optimize page_lock_anon_vma() fast-pathmm/ | +81 | 0 replies |
Reviews trailers per patch
7 of 8 patches have a Reviewed-by or Acked-by.
| Patch | Hugh Dickins | KOSAKI Motohiro | KAMEZAWA Hiroyuki | Mel Gorman |
|---|---|---|---|---|
| 1/8 | ||||
| 2/8 | R-b | |||
| 3/8 | A-b | |||
| 4/8 | A-b | |||
| 5/8 | A-b | R-b | R-b | A-b |
| 6/8 | A-b | R-b | R-b | |
| 7/8 | A-b | R-b | ||
| 8/8 | R-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes. Scroll the table sideways for all 4 reviewers.
Cover letter [PATCH 0/8] mm: Preemptibility -v8
This series depends on the previous two series:
- mm: Simplify anon_vma lifetime rules
- mm: mmu_gather rework
These patches make part of the mm a lot more preemptible. It converts i_mmap_lock and anon_vma->lock to mutexes which together with the mmu_gather rework makes mmu_gather preemptible as well.
Making i_mmap_lock a mutex also enables a clean-up of the truncate code.
This also allows for preemptible mmu_notifiers, something that XPMEM I think wants.
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