Re: [Patch v3 06/13] mm: Pass task instead of task->mm as argument to set_dumpable

[Peter Zijlstra]

On Wed, Oct 17, 2018 at 10:59:34AM -0700, Tim Chen wrote:
> Change the argument to set_dumpable from task->mm to task.  This allows us
> to later add hooks to modify a task's property according to whether it is
> a non-dumpable task. Non dumpable tasks demand a higher level of security.
> Changes the dumpable value from in to unsigned int as negative number is
> not allowed.

Per task dumpable doesn't make any kind of sense. Dumpable is about
coredumps, that's an mm property.

If you want to introduce other (per task) state; give that a new name
and check for that explicitly. Don't create confusion like this.