Re: [PATCH v2] Add results of early memtest to /proc/meminfo

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On Tue, 21 Mar 2023 11:34:30 +0100 Tomas Mudrunka <tomas.mudrunka@xxxxxxxxx> wrote:

> Currently the memtest results were only presented in dmesg.
> This adds /proc/meminfo entry which can be easily used by scripts.

Looks good to me, thanks.  But the changelog still doesn't explain why
we should make this change.  I grabbed that from your other email and
used the below as the changelog:


: Currently the memtest results were only presented in dmesg.
: 
: When running a large fleet of devices without ECC RAM it's currently not
: easy to do bulk monitoring for memory corruption.  You have to parse
: dmesg, but that's a ring buffer so the error might disappear after some
: time.  In general I do not consider dmesg to be a great API to query RAM
: status.
: 
: In several companies I've seen such errors remain undetected and cause
: issues for way too long.  So I think it makes sense to provide a monitoring
: API, so that we can safely detect and act upon them.
: 
: This adds /proc/meminfo entry which can be easily used by scripts.





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