vmalloc fixes and improvements #2
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- v1 Latest7 patches 2 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/7 | mm: vmalloc allocator off by onemm/ | +1 | 0 replies | |
| 2/7 | mm: vmalloc failure flush fixmm/ | +13 | 0 replies | |
| 3/7 | mm: vmalloc search restart fixmm/ | +2 | 0 replies | |
| 4/7 | mm: vmalloc tweak failure printkmm/ | +3 | 0 replies | |
| 5/7 | mm: vmalloc improve vmallocinfomm/ | +8 | 0 replies | |
| 6/7 | mm: vmalloc use mutex for purgemm/ | +5 | 0 replies | |
| 7/7 | mm: vmalloc make lazy unmapping configurablemm/ | +24 | 0 replies |
Reviews trailers per patch
No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.
Cover letter [patch 0/7] vmalloc fixes and improvements #2
Hopefully got attribution right.
Patches 1-3 fix "[Bug #11903] regression: vmalloc easily fail", and these should go upstream for 2.6.28. They've been tested and shown to fix the problem, and I've tested them here on my XFS stress test as well. The off-by-one bug, I tested and verified in a userspace test harness (it doesn't actually cause any corruption, but just suboptimal use of space).
Patches 4,5 are improvements to information exported to user. Not very risky, but not urgent either.
Patches 6,7 improve locking and debugging modes a bit. I have not included the changes to guard pages this time. They need a bit more explanation and code review to justify. And probably some more philosophical discussions on the mm list...
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