[RFC 1/4] mm: remove unused TASK_SIZE_OF()

[Andy Lutomirski]

On Thu, Jan 5, 2017 at 1:51 AM, David Laight <David.Laight at aculab.com> wrote:
> From: Dmitry Safonov
>> Sent: 30 December 2016 15:57
>> All users of TASK_SIZE_OF(tsk) have migrated to mm->task_size or
>> TASK_SIZE_MAX since:
>> commit d696ca016d57 ("x86/fsgsbase/64: Use TASK_SIZE_MAX for
>> FSBASE/GSBASE upper limits"),
>> commit a06db751c321 ("pagemap: check permissions and capabilities at
>> open time"),
> ...
>> +#define TASK_SIZE            (current->thread.task_size)
>
> I'm not sure I like he hidden 'current' argument to an
> apparent constant.

Me neither.  But this patch is merely changing the implementation.