The Maple Tree, a new data structure for Linux

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Last week, Liam Howlett posted the first version of the Maple Tree to the linux-kernel mailing list. The Maple Tree, a collaboration between Liam Howlett and Matthew Wilcox, introduces a B-tree based range-locked tree which could significantly reduce unnecessary contention on the memory management subsystem — with the eventual goal of perhaps removing mmap_sem entirely. They have been working on this for a year…
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