linux-kernel - Re: why does "mem auto-init: clearing system memory may take some time..." takes about 14 sec under 5.4.17 but only few msec under 5.5.1?

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Message-ID: <54888b56-e589-38e6-cc43-d7319d392a76@gmx.de>
Date:   Mon, 30 Mar 2020 09:12:10 +0200
From:   Toralf Förster <toralf.foerster@....de>
To:     Linux Kernel <linux-kernel@...r.kernel.org>
Cc:     Randy Dunlap <rdunlap@...radead.org>
Subject: Re: why does "mem auto-init: clearing system memory may take some
 time..." takes about 14 sec under 5.4.17 but only few msec under 5.5.1?

On 3/30/20 4:55 AM, Randy Dunlap wrote:
> Hi > Toralf,
>
> Curious/odd.
>
> Do you have the kernel .config files for 5.4.17 and 5.5.1?
> Looks like it would have to be a config difference AFAICT.
Well, the attached I found

--
Toralf

View attachment "config-5.2.20" of type "text/plain" (106904 bytes)

View attachment "config-5.4.23" of type "text/plain" (105611 bytes)