On 01/11, Alex Thorlton wrote:
>
> On Sat, Jan 11, 2014 at 04:53:37PM +0100, Oleg Nesterov wrote:
>
> > I simply can't understand, this all looks like overkill. Can't you simply 
> > add
> >
> >     #idfef CONFIG_TRANSPARENT_HUGEPAGE
> >     case GET:
> >             error = test_bit(MMF_THP_DISABLE);
> >             break;
> >     case PUT:
> >             if (arg2)
> >                     set_bit();
> >             else
> >                     clear_bit();
> >             break;
> >     #endif
> >
> > into sys_prctl() ?  
>
> That's probably a better solution.  I wasn't sure whether or not it was
> better to have two functions to handle this, or to have one function
> handle both.  If you think it's better to just handle both with one,
> that's easy enough to change.

Personally I think sys_prctl() can handle this itself, without a helper.
But of course I won't argue, this is up to you.

My only point is, the kernel is already huge ;) Imho it makes sense to
try to lessen the code size, when the logic is simple.

Oleg.

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