On Wed, May 11, 2022 at 09:26:45PM +0530, Naresh Kamboju wrote: > arch/sh/include/asm/hugetlb.h: In function 'huge_ptep_clear_flush': > arch/sh/include/asm/hugetlb.h:27:1: error: no return statement in > function returning non-void [-Werror=return-type] > 27 | } > | ^ > cc1: some warnings being treated as errors It's easy enough to figure out whose patch this was. $ git log -p next-20220511 arch/sh/include/asm/hugetlb.h commit 083af99303b9 Author: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Date: Tue May 10 17:47:33 2022 -0700 mm: change huge_ptep_clear_flush() to return the original pte You don't have to spray everybody who's ever touched the MM with email.