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

Heiko Carstens hca at linux.ibm.com
Thu Sep 7 01:51:19 PDT 2023


On Wed, Sep 06, 2023 at 12:03:22PM +0200, Joel Granados via B4 Relay wrote:
> From: Joel Granados <j.granados at 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 at 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(-)

Acked-by: Heiko Carstens <hca at linux.ibm.com>



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