Re: [PATCH 1/8] S390: Remove sentinel elem from ctl_table arrays

Alexander Gordeev
2023-09-07T15:46:31Z

On Wed, Sep 06, 2023 at 12:03:22PM +0200, Joel Granados via B4 Relay wrote:
> From: Joel Granados <j.granados@samsung.com>
>
> 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 the sentinel element from appldata_table, s390dbf_table,
> topology_ctl_table, cmm_table and page_table_sysctl. Reduced the
> memory allocation in appldata_register_ops by 1 effectively removing the
> sentinel from ops->ctl_table.
>
> Signed-off-by: Joel Granados <j.granados@samsung.com>
> ---
> arch/s390/appldata/appldata_base.c | 6 ++----
> arch/s390/kernel/debug.c | 3 +--
> arch/s390/kernel/topology.c | 3 +--
> arch/s390/mm/cmm.c | 3 +--
> arch/s390/mm/pgalloc.c | 3 +--
> 5 files changed, 6 insertions(+), 12 deletions(-)

Tested-by: Alexander Gordeev <agordeev@linux.ibm.com>