On Mon, 22 Jun 2026 10:34:40 +0200 Peter Zijlstra <peterz at infradead.org> wrote: > Did you forget your C 101 class? If you use a function, you gotta > include the relevant header. If this was the way it was back in 2009, yeah sure. But the header wasn't need for 17 years. Now it suddenly will be. -- Steve