On Mon, Oct 07, 2024 at 11:28:27PM +0800, Kuan-Wei Chiu wrote: > This patch series adds KUnit tests for the union-find implementation > and optimizes the path compression in the uf_find() function to achieve > a lower tree height and improved efficiency. Additionally, it modifies > uf_union() to return a boolean value indicating whether a merge > occurred, enhancing the process of calculating the number of groups in > the cgroup cpuset. Given that this fairly special union find code is obly used in the cpuset code, please move the code there rather adding more exports. Even as-is it is bloating every kernel build even without cgroups for no good reason.