Re: [PATCH v5 1/9] sysctl: Add flags to support min/max range clamping

[Waiman Long]

On 03/16/2018 09:10 PM, Luis R. Rodriguez wrote:
> On Fri, Mar 16, 2018 at 02:13:42PM -0400, Waiman Long wrote:
>> When the CTL_FLAGS_CLAMP_RANGE flag is set in the ctl_table
>> entry, any update from the userspace will be clamped to the given
>> range without error if either the proc_dointvec_minmax() or the
>> proc_douintvec_minmax() handlers is used.
> I don't get it.  Why define a generic range flag when we can be mores specific and
> you do that in your next patch. What's the point of this flag then?
>
>   Luis

I was thinking about using the signed/unsigned bits as just annotations
for ranges for future extension. For the purpose of this patchset alone,
I can merge the three bits into just two.

Cheers,
Longman