FYI, we noticed a +853 bytes kernel size regression due to commit: commit: ae04f172df5d207dbf185c2ae5c293306ca6a143 (fs: add mount_setattr()) https://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git mount_setattr Details as below (size data is obtained by `nm --size-sort vmlinux`): 9573a242: namespace: only take read lock in do_reconfigure_mnt() ae04f172: fs: add mount_setattr() +-------------------------------+----------+----------+-------+ | symbol | 9573a242 | ae04f172 | delta | +-------------------------------+----------+----------+-------+ | nm.T.__ia32_sys_mount_setattr | 0 | 847 | 847 | | bzImage | 442464 | 442880 | 416 | | nm.t.build_attr_flags | 0 | 45 | 45 | | nm.R.sys_call_table | 1760 | 1764 | 4 | | nm.T.do_mount | 1551 | 1538 | -13 | | nm.T.__ia32_sys_fsmount | 531 | 501 | -30 | +-------------------------------+----------+----------+-------+ Thanks