Re: [PATCH 2/4 v4] kernel/fork.c: avoid division by zero

Heinrich Schuchardt
2015-02-23T21:30:09Z

On 23.02.2015 22:10, Peter Zijlstra wrote:
> On Mon, Feb 23, 2015 at 09:14:35PM +0100, Heinrich Schuchardt wrote:
>> With 32-bit calculus there is no solution which delivers valid results
>> for all possible combinations of the parameters.
>
> So I can't help but be bugged by this (my problem I know); calculus is
> the mathematics of change; its differential equations and integrals.

Yes, I used the wrong word. Thanks.

>
> What we do here is modular arithmetic on a commutative ring.
>
> Please use calculation as you do here:
>
>> Hence a 64-bit calculation can be used as solution.
>
>

Is it only the text of the commit message that needs change?

Best regards

Heinrich