Re: [PATCH] sched/fair: Use 'unsigned long' for group_shares,group_runnable

From: Peter Zijlstra
Date: Mon Apr 15 2019 - 11:25:56 EST


On Mon, Apr 15, 2019 at 11:20:31PM +0800, chengjian (D) wrote:
> Hi, Peter
>
>
> On 2019/4/15 20:46, Peter Zijlstra wrote:
>
> I write a demo about this, which I described it as overflow.

I'm not saying there's no overflow, I'm saying there's nothing UB about
it.