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SubjectRe: [PATCH] sysctl: Allow /proc/sys without sys_sysctl
On Tue, 11 Jul 2006 00:57:35 -0600
ebiederm@xmission.com (Eric W. Biederman) wrote:

> Andrew Morton <akpm@osdl.org> writes:
>
> > On Mon, 10 Jul 2006 16:38:59 -0600
> > ebiederm@xmission.com (Eric W. Biederman) wrote:
> >
> >> Since sys_sysctl is deprecated start allow it to be compiled out.
> >
> > This could be a tough one to get rid of (looks at sys_bdflush() again).
> >
> > I'd suggest we put a sys_bdflush()-style warning in there, see what that
> > flushes out.
>
> Sounds sane. I know I have booted several kernels with it compiled out
> but just because you can do without it doesn't mean that something
> isn't using it.
>
> Hmm. The question is where do I want the put the warning message?
>
> When the code is compiled out?
> When the code is compiled in?

Both. We want to find out who is using it.

> Probably both places at this point, and using the rate limited printk
> I think instead of just the 5 printks that sys_bdflush uses...

No, I think five is enough. If something's using sys_sysctl() then it
might be using it a lot - there's no point in irritating people over it.
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