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References: <202011281212.0ASCCpjQ006999@repo.freebsd.org>
 <56ede111-cf89-366e-fbda-aa26f4a78a23@freebsd.org>
 <X8PcFU9d8IlwLJJw@kib.kiev.ua>
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From: Ed Maste <emaste@freebsd.org>
Date: Sun, 29 Nov 2020 12:46:20 -0500
Message-ID: <CAPyFy2A=TQb1zvc5y=0ws0QW2CpO9_HUSqsHsoh0q_YFErpJMA@mail.gmail.com>
Subject: Re: svn commit: r368124 - in head/sys: cam cam/ata cam/ctl cam/mmc
 cam/nvme cam/scsi compat/linprocfs compat/linux conf
 contrib/openzfs/module/os/freebsd/zfs
 dev/ahci dev/ata dev/firewire dev/flash dev...
To: Konstantin Belousov <kostikbel@gmail.com>
Cc: Michal Meloun <mmel@freebsd.org>,
 src-committers <src-committers@freebsd.org>, 
 svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org>
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On Sun, 29 Nov 2020 at 12:36, Konstantin Belousov <kostikbel@gmail.com> wrote:
>
> I think it is reasonable to return to 128KB for 32bit systems.
...
> +#ifndef MAXPHYS                                /* max raw I/O transfer size */
> +#ifdef __ILP32__
> +#define MAXPHYS                (128 * 1024)
> +#else
> +#define MAXPHYS                (1024 * 1024)
> +#endif

This seems reasonable to me.