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Message-ID: <17CADC36-25C6-44EB-8084-6E3D9D64B3D3@vmware.com>
Date:   Mon, 30 Oct 2023 08:51:35 +0000
From:   Nadav Amit <namit@...are.com>
To:     Byungchul Park <byungchul@...com>
CC:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        "kernel_team@...ynix.com" <kernel_team@...ynix.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "ying.huang@...el.com" <ying.huang@...el.com>,
        "xhao@...ux.alibaba.com" <xhao@...ux.alibaba.com>,
        "mgorman@...hsingularity.net" <mgorman@...hsingularity.net>,
        "hughd@...gle.com" <hughd@...gle.com>,
        "willy@...radead.org" <willy@...radead.org>,
        "david@...hat.com" <david@...hat.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>
Subject: Re: [v3 3/3] mm, migrc: Add a sysctl knob to enable/disable MIGRC
 mechanism


> On Oct 30, 2023, at 9:25 AM, Byungchul Park <byungchul@...com> wrote:
> 
> Add a sysctl knob, '/proc/sys/vm/migrc_enable' to switch on/off migrc.

Please explain how users are expected to use this knob.

I suspect that the knob and the config option are not useful. You probably
used them for your evaluation or as a “chicken-bit”, but they are not
useful anymore.

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