On Mon, Feb 24, 2025 at 08:22:34PM -0800, Andrew Morton wrote: > The patch titled > Subject: lib/interval_tree: skip the check before go to the right subtree > has been added to the -mm mm-nonmm-unstable branch. Its filename is > lib-interval_tree-skip-the-check-before-go-to-the-right-subtree.patch I don't think this patch should be added. There's no claim of any performance win. Wei has a long history of tweaky little patches that may or may not be buggy. The interval tree has been around a long time and doesn't have a test suite. This feels like unnecessary risk.