Re: [PATCH net-next] ipv4: delete sysctls about routing cache

[CGEL]

On Thu, Dec 23, 2021 at 08:47:02AM -0800, Jakub Kicinski wrote:
> On Thu, 23 Dec 2021 12:20:10 +0000 cgel.zte@xxxxxxxxx wrote:
> > From: xu xin <xu.xin16@xxxxxxxxxx>
> > 
> > Since routing cache in ipv4 has been deleted in 2012, the sysctls about
> > it are useless.
> 
> Search for those on GitHub. Useless or not, there is software which
> expects those files to exist and which may break if they disappear.
> That's why they were left in place.
Maybe we can note these inoperative interfaces in ip-sysctl.rst or
somewhere else, suggesting users not to use them any longer.

Wish you merry christmas in advance.
Xu Xin