linux-kernel - Re: [RFC PATCH 1/5] numa: introduce per-cgroup numa balancing locality, statistic

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Message-ID: <20190423094606.GK11158@hirez.programming.kicks-ass.net>
Date:   Tue, 23 Apr 2019 11:46:06 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     王贇 <yun.wang@...ux.alibaba.com>
Cc:     hannes@...xchg.org, mhocko@...nel.org, vdavydov.dev@...il.com,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [RFC PATCH 1/5] numa: introduce per-cgroup numa balancing
 locality, statistic

On Tue, Apr 23, 2019 at 05:33:25PM +0800, 王贇 wrote:
> 
> 
> On 2019/4/23 下午4:47, Peter Zijlstra wrote:
> > On Mon, Apr 22, 2019 at 10:11:24AM +0800, 王贇 wrote:
> >> +	p->numa_faults_locality[mem_node == numa_node_id() ? 4 : 3] += pages;
> > 
> > Possibly: 3 + !!(mem_node = numa_node_id()), generates better code.
> 
> Sounds good~ will apply in next version.

Well, check code gen first, of course.