Re: [RFC PATCH] sched: Fix integer overflow issue of cpu weight delta

[Peter Zijlstra]

On Mon, Dec 02, 2024 at 06:13:44PM +0800, I Hsin Cheng wrote:

> I think there's one point to concern, do we have a fixed range of
> "tg_weight()" ? 

kernel/sched/fair.c:__sched_group_set_shares()

  shares = clamp(shares, scale_load(MIN_SHARES), scale_load(MAX_SHARES));

  if (tg->shares == shares)
  	return 0;

  tg->shares = shares;