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lockless pagecache for 2.6.18-mm3

Nick Piggin linux-mm 1 version New

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Versions newest first

  1. v1 Latest4 patches 0 repliesNew

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/4radix-tree: use indirect bitinclude/linux/radix-tree.h lib/radix-tree.c+65 -440 replies
2/4radix-tree: gang_lookup_slotinclude/linux/radix-tree.h lib/radix-tree.c+82 -110 replies
3/4mm: speculative get pageinclude/linux/page-flags.h include/linux/pagemap.h mm/filemap.c +3 more+137 -70 replies
4/4mm: lockless pagecache lookupsinclude/linux/pagemap.h mm/filemap.c mm/page-writeback.c +1 more+115 -690 replies

Reviews trailers per patch

No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.

Read the v1 thread

Cover letter [patch 0/4] lockless pagecache for 2.6.18-mm3

Updated lockless patchset against 2.6.18-mm3. Boots and survives basic stress testing so far.

I have decided not to implement the tweak Hugh suggested yet, for reasons outlined in the patch description. I still think it is a promising approach, I just haven't been able to convince myself of correctness in some paths yet.

Nick

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