./arch/s390/mm/vmem.c:680:10-11: WARNING opportunity for swap() 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-20230116 commit: c12e2e5b76b2e739ccdf196bee960412b45d5f85
submmited to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b4af09140a04ab5a4a20b3e14738ee56ddd37eff