linux-kernel - Re: [PATCH 0/9 v6] Use local_lock for pcp protection and reduce stat overhead

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Message-ID: <YJvS17mXYukJEqJG@hirez.programming.kicks-ass.net>
Date:   Wed, 12 May 2021 15:06:31 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Mel Gorman <mgorman@...hsingularity.net>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Michal Hocko <mhocko@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Linux-MM <linux-mm@...ck.org>,
        Linux-RT-Users <linux-rt-users@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/9 v6] Use local_lock for pcp protection and reduce stat
 overhead

On Wed, May 12, 2021 at 10:54:49AM +0100, Mel Gorman wrote:
> 
>  drivers/base/node.c    |  18 +--
>  include/linux/mmzone.h |  31 +++--
>  include/linux/vmstat.h |  65 ++++++-----
>  mm/mempolicy.c         |   2 +-
>  mm/page_alloc.c        | 255 ++++++++++++++++++++++++-----------------
>  mm/vmstat.c            | 246 +++++++++++++++++----------------------
>  6 files changed, 324 insertions(+), 293 deletions(-)

LGTM,

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>