On Mon, Jul 31, 2023 at 09:17:14AM +0200, Joel Granados wrote: > Why? It would be easier to read if the what went before the why. > This is a preparation patch set that will make it easier for us to apply > subsequent patches that will remove the sentinel element (last empty element) > in the ctl_table arrays. > > In itself, it does not remove any sentinels but it is needed to bring all the > advantages of the removal to fruition which is to help reduce the overall build > time size of the kernel and run time memory bloat by about ~64 bytes per > sentinel. s/sentinel/declared ctl array Because the you're suggesting we want to remove the sentinel but we want to help the patch reviewer know that a sentil is required per declared ctl array. You can also mention here briefly that this helps ensure that future moves of sysctl arrays out from kernel/sysctl.c to their own subsystem won't penalize in enlarging the kernel build size or run time memory consumption. Thanks for spinning this up again! Luis