netdev - Re: [PATCH net 2/2] mlxsw: spectrum_buffers: Further reduce pool size on Spectrum-2

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Date:   Wed, 7 Aug 2019 22:19:57 -0700
From:   Jesse Brandeburg <jesse.brandeburg@...el.com>
To:     Ido Schimmel <idosch@...sch.org>
Cc:     <netdev@...r.kernel.org>, <davem@...emloft.net>,
        <jiri@...lanox.com>, <petrm@...lanox.com>, <mlxsw@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>, jesse.brandeburg@...el.com
Subject: Re: [PATCH net 2/2] mlxsw: spectrum_buffers: Further reduce pool
 size on Spectrum-2

On Wed, 31 Jul 2019 09:33:15 +0300
Ido Schimmel <idosch@...sch.org> wrote:

> From: Petr Machata <petrm@...lanox.com>
> 
> In commit e891ce1dd2a5 ("mlxsw: spectrum_buffers: Reduce pool size on
> Spectrum-2"), pool size was reduced to mitigate a problem in port buffer
> usage of ports split four ways. It turns out that this work around does not
> solve the issue, and a further reduction is required.
> 
> Thus reduce the size of pool 0 by another 2.7 MiB, and round down to the
> whole number of cells.
> 
> Fixes: e891ce1dd2a5 ("mlxsw: spectrum_buffers: Reduce pool size on Spectrum-2")
> Signed-off-by: Petr Machata <petrm@...lanox.com>
> Signed-off-by: Ido Schimmel <idosch@...lanox.com>

Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>