lib/test_rhashtable.c:437:18: warning: variable 'insert_retries' set but not used In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20221121 commit: e4cd8d3ff7f9efeb97330e5e9b99eeb2a68f5cf9
submitted to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b084f6cc3563faf4f4d16c98852c0c734fe18914