FYI, we noticed a +861 bytes kernel size regression due to commit: commit: aa63af1b08246bd31b77d056bf1d47f775cecbe2 (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() aa63af1b: fs: add mount_setattr() +-------------------------------+----------+----------+-------+ | symbol | 9573a242 | aa63af1b | delta | +-------------------------------+----------+----------+-------+ | nm.T.__ia32_sys_mount_setattr | 0 | 831 | 831 | | bzImage | 442464 | 442816 | 352 | | nm.t.build_attr_flags | 0 | 58 | 58 | | nm.R.sys_call_table | 1760 | 1764 | 4 | | nm.R.linux_banner | 151 | 152 | 1 | | nm.T.__ia32_sys_fsmount | 531 | 498 | -33 | +-------------------------------+----------+----------+-------+ Thanks