On Mon, Oct 02, 2023 at 08:47:53AM +0000, Christophe Leroy wrote: > > > Le 02/10/2023 à 10:17, Jiri Slaby a écrit : > > On 28. 09. 23, 15:21, Joel Granados via B4 Relay wrote: > >> From: Joel Granados <j.granados@xxxxxxxxxxx> > >> > >> This commit comes at the tail end of a greater effort to remove the > >> empty elements at the end of the ctl_table arrays (sentinels) which > >> will reduce the overall build time size of the kernel and run time > >> memory bloat by ~64 bytes per sentinel (further information Link : > >> https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@xxxxxxxxxxxxxxxxxxxxxx/) > >> > >> Remove sentinel from tty_table > >> > >> Signed-off-by: Joel Granados <j.granados@xxxxxxxxxxx> > >> --- > >> drivers/tty/tty_io.c | 3 +-- > >> 1 file changed, 1 insertion(+), 2 deletions(-) > >> > >> diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c > >> index 8a94e5a43c6d..2f925dc54a20 100644 > >> --- a/drivers/tty/tty_io.c > >> +++ b/drivers/tty/tty_io.c > >> @@ -3607,8 +3607,7 @@ static struct ctl_table tty_table[] = { > >> .proc_handler = proc_dointvec, > >> .extra1 = SYSCTL_ZERO, > >> .extra2 = SYSCTL_ONE, > >> - }, > >> - { } > >> + } > > > > Why to remove the comma? One would need to add one when adding a new entry? > > Does it make any difference at all ? > > In one case you have: > > @xxxx > something old, > }, > + { > + something new, > + }, > } > > In the other case you have: > > @xxxx > something old, > + }, > + { > + something new, > } > } Because that way it is obvious you are only touching the "something new" lines and never have to touch the "something old" ones. It's just a long-standing tradition in Linux, don't have an extra character if you don't need it :) thanks, greg k-h