linux-kernel - Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool

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Message-ID: <20240209205111.GGZcaQP1gb6C9m0WZB@fat_crate.local>
Date: Fri, 9 Feb 2024 21:51:11 +0100
From: Borislav Petkov <bp@...en8.de>
To: "Naik, Avadhut" <avadnaik@....com>
Cc: Sohil Mehta <sohil.mehta@...el.com>, x86@...nel.org,
	linux-edac@...r.kernel.org, tony.luck@...el.com,
	linux-kernel@...r.kernel.org, yazen.ghannam@....com,
	Avadhut Naik <avadhut.naik@....com>
Subject: Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE
 Records pool

On Fri, Feb 09, 2024 at 02:35:12PM -0600, Naik, Avadhut wrote:
> IIUC, this is exactly what the first patch in this series is trying to
> accomplish.  Please correct me if I understood wrong.

Yes, you did.

I don't mean to extend it - I mean to allocate it from the very
beginning to

	min(4*PAGE_SIZE, num_possible_cpus() * PAGE_SIZE);

There's a sane minimum and one page pro logical CPU should be fine on
pretty much every configuration...

Thx.

-- 
Regards/Gruss,
    Boris.

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