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Blog Archive: April 2024

RCU in the linux kernel; an alternative to reader-writer locks

I ran into something in the announcement of the 2.6.19 kernel called "sleepable rcu". I found this wikipedia entry for rcu. It gives some nice background on rcu's. I don't normally place much credence in wikipedia pages but this one seems reasonably good. And it explains why RCU's are a better alternative to multiple-reader-single-writer