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![Phillip Lougher](https://secure.gravatar.com/avatar/ccc645fad35f1c8db05a407ce908fd83.jpg?s=96&d=mm)
Phillip Lougher committed d208383d640
Squashfs: add multi-threaded decompression using percpu variable Add a multi-threaded decompression implementation which uses percpu variables. Using percpu variables has advantages and disadvantages over implementations which do not use percpu variables. Advantages: * the nature of percpu variables ensures decompression is load-balanced across the multiple cores. * simplicity. Disadvantages: it limits decompression to one thread per core. Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>