Subject: Re: dumping options TCP_COMPAT_42
To: Rui Paulo <>
From: Perry E. Metzger <>
List: tech-net
Date: 11/14/2006 23:12:07
Rui Paulo <> writes:
> On Nov 14, 2006, at 2:32 PM, Perry E. Metzger wrote:
>> BTW, since this need is pretty rare, would you object to having the
>> option removed from GENERIC but the infrastructure left in place? It
>> would reduce clutter a bit. The #define isn't really needed given that
>> there is a sysctl.
> The issue in the first place, I think, was that the compiler can
> optimize the code path if we have the define.
> That said, I don't know how much does that actually buy us.

The option in the kernel config only sets the default value of the
sysctl variable -- it does not impact the code per se.