FYI, we noticed a +879 bytes kernel size regression due to commit: commit: 9cfa950acecdd0c70e0d43d2e1c76dcf4797bb16 (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() 9cfa950a: fs: add mount_setattr() +-------------------------------+----------+----------+-------+ | symbol | 9573a242 | 9cfa950a | delta | +-------------------------------+----------+----------+-------+ | nm.T.__ia32_sys_mount_setattr | 0 | 850 | 850 | | bzImage | 442464 | 442880 | 416 | | nm.t.build_attr_flags | 0 | 58 | 58 | | nm.R.sys_call_table | 1760 | 1764 | 4 | | nm.T.__ia32_sys_fsmount | 531 | 498 | -33 | +-------------------------------+----------+----------+-------+ Thanks