Archive: https://archive.today/Ef8Sy From the post: >>Yet another performance optimization merged for the in-development Linux 7.2 kernel is improving the speed of anon_pipe_write, the kernel function used for writing data into anonymous/unnamed pipes such as when using shell pipelines or standard streams from applications. Breno Leitao of Meta was profiling some of their caching code and found pipe to mutex contention in a hot path, which is now resolved by the newly-merged code to pre-allocate outside the lock for avoiding contention.