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: lockless get_user_pages patchset

Nick Piggin linux-arch linux-mm 1 version In review

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  1. v1 Latest2 patches 33 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2: x86: implement pte_specialinclude/asm-x86/pgtable.h+5 -29 replies
2/2: introduce fast_guparch/x86/mm/Makefile arch/x86/mm/gup.c fs/bio.c +4 more+230 -5324 replies

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Cover letter [patch 0/2]: lockless get_user_pages patchset

Hi,

This patchset It impoves our well known oltp performance thingy by 10% on DB2 on a modest 2 socket x86 system. For a sense of scale, remember numbers being tossed around like direct-IO giving a 12% improvement; or hugepages giving a 9% improvement... heh.

I have a powerpc patch as well, but it needs benh to find me a bit in their pte to use.

These patches are on top of the previous 7 patches just sent.

Nick