linux-kernel - Re: [RFC PATCH 2/4] sched/fair: Make tg->load

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Message-ID: <20230719142235.GA94215@ziqianlu-dell>
Date:   Wed, 19 Jul 2023 22:22:35 +0800
From:   Aaron Lu <aaron.lu@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
CC:     Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>,
        "Mel Gorman" <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>,
        Tim Chen <tim.c.chen@...el.com>,
        Nitin Tekchandani <nitin.tekchandani@...el.com>,
        Yu Chen <yu.c.chen@...el.com>,
        Waiman Long <longman@...hat.com>,
        <linux-kernel@...r.kernel.org>, <yury.norov@...il.com>,
        <andriy.shevchenko@...ux.intel.com>, <linux@...musvillemoes.dk>,
        <rppt@...nel.org>
Subject: Re: [RFC PATCH 2/4] sched/fair: Make tg->load_avg per node

On Wed, Jul 19, 2023 at 03:53:05PM +0200, Peter Zijlstra wrote:
> On Wed, Jul 19, 2023 at 09:45:00PM +0800, Aaron Lu wrote:
> > I'll rebase this per-node patch on top of below diff.
> 
> Oh, please double check I didn't wreck anything. I skipped 'converting'
> the find_*_bit() functions because the users of those iterators might be
> expecting NR_MAXNODES when not found.
>

Sounds more work than I had expected :)

> But perhaps there's more I overlooked.

Got it, will see if I can make it work.