Subject: Re: [PATCH] IPv4/IPv6: update sysctl files

From: [email-masked] (Eric W. Biederman)
Date: Tue, 07 Apr 2009 19:41:10 -0700

Shen Feng <[email-masked]> writes:

> Now the following sysctl files in /proc/sys/net/ipv4 are used by
> both IPv4 and IPv6.
> tcp_mem  tcp_rmem  tcp_wmem
> udp_mem  udp_rmem_min  udp_wmem_min
> Putting them in /proc/sys/net/ipv4 is not a good choice.
>
> So move tcp_mem  tcp_rmem  tcp_wmem to /proc/sys/net/tcp and
> move udp_mem  udp_rmem_min  udp_wmem_min to /poc/sys/net/udp.

How badly does this blow up when you enable sysctl_check?
You just enabled new binary sysctl mappings, which is big no-no.

Further how many user space scripts did you break that touch those
files?  This is an ABI change.

Eric