Messages in this thread | | | Date | Wed, 6 Sep 2023 23:58:47 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 3/8] arch/x86: Remove sentinel elem from ctl_table arrays |
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* Dave Hansen <dave.hansen@intel.com> wrote:
> On 9/6/23 03:03, Joel Granados via B4 Relay wrote: > > 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@bombadil.infradead.org/) > > > > Remove sentinel element from sld_sysctl and itmt_kern_table. > > There's a *LOT* of content to read for a reviewer to figure out what's > going on here between all the links. I would have appreciated one more > sentence here, maybe: > > This is now safe because the sysctl registration code > (register_sysctl()) implicitly uses ARRAY_SIZE() in addition > to checking for a sentinel. > > That needs to be more prominent _somewhere_. Maybe here, or maybe in > the cover letter, but _somewhere_. > > That said, feel free to add this to the two x86 patches: > > Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # for x86
Absolutely needs to be in the title as well, something like:
arch/x86: Remove now superfluous sentinel elem from ctl_table arrays
With that propagated into the whole series:
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Thanks,
Ingo
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