linux-kernel - Re: Re: [RFC] autonuma: Support to scan page table asynchronously

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Message-ID: <20200417100417.GT20730@hirez.programming.kicks-ass.net>
Date:   Fri, 17 Apr 2020 12:04:17 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     SeongJae Park <sjpark@...zon.com>
Cc:     "Huang, Ying" <ying.huang@...el.com>,
        Mel Gorman <mgorman@...hsingularity.net>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...riel.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Tejun Heo <tj@...nel.org>, Dave Hansen <dave.hansen@...el.com>,
        Tim Chen <tim.c.chen@...el.com>,
        Aubrey Li <aubrey.li@...el.com>
Subject: Re: Re: [RFC] autonuma: Support to scan page table asynchronously

On Fri, Apr 17, 2020 at 09:05:08AM +0200, SeongJae Park wrote:
> I think the main idea of DAMON[1] might be able to applied here.  Have you
> considered it?
> 
> [1] https://lore.kernel.org/linux-mm/20200406130938.14066-1-sjpark@amazon.com/

I've ignored that entire thing after you said the information it
provides was already available through the PMU.