Linux creator and longtime lead maintainer Linus Torvalds turned to Anthropic’s Claude Code to tackle a kernel performance problem that developers have struggled with for more than two years. On Tuesday, he submitted a 10-patch series that delivered a 23-fold throughput improvement in a synthetic benchmark running on his Ryzen Threadripper. Torvalds had spent 18 months running a broken version of his own fix for the page-cache reference-counting bottleneck, while other developers had encountered problems with their approaches. The new patches eliminate folio reference-count operations from a...

Source: The New Stack