Re: [PATCH net-next] net: sysctl: cleanup net_sysctl_init()

On Wed, 06 Jan 2021 20:40:28 +0000 Alexander Lobakin wrote:

'net_header' is not used outside of this function, so can be moved
from BSS onto the stack.
Declarations of one-element arrays are discouraged, and there's no
need to store 'empty' in BSS. Simply allocate it from heap at init.

Are you sure? It's passed as an argument to register_sysctl()
so it may well need to be valid for the lifetime of net_header.