Re: [PATCH v3 07/21] sched/cache: Introduce per CPU's tasks LLC preference counter

[Peter Zijlstra]

On Sat, Feb 21, 2026 at 12:57:38AM +0800, Chen, Yu C wrote:

>                                           llc=llc_id(i)
>                                           if(llc<sd->llc_max)
>                                             safe read sd->pf[llc]

Right, except llc_id() is allowed to return negative, so that would need
to be something like:

	if ((unsigned)llc < sd->llc_max)
		sd->llc_count[llc]