From: Rik van Riel <riel@redhat.com>
To: Wallak <wallak@free.fr>
Cc: Jan Kara <jack@suse.cz>,
linux-kernel@vger.kernel.org, jweiner@redhat.com
Subject: Re: File copy is very slow on linux-3.4.2 (or linux-3.3x) on a specific hardware: AMD FX-8150 + 990FX (solved?)
Date: Thu, 14 Jun 2012 16:57:44 -0400 [thread overview]
Message-ID: <4FDA5048.5000107@redhat.com> (raw)
In-Reply-To: <4FD8F9F1.2000205@free.fr>
On 06/13/2012 04:37 PM, Wallak wrote:
> HighTotal: 8052692 kB HighTotal: 8052692 kB
> HighFree: 7978664 kB | HighFree: 6227412 kB
> LowTotal: 229508 kB LowTotal: 229508 kB
> LowFree: 195804 kB | LowFree: 148948 kB
Did the BIOS remap essentially all of the low memory
to end up above the 1GB boundary?
This does not look like a system that should be run
with a 32 bit kernel, since it only has 200MB of lowmem,
giving you a 40:1 highmem:lowmem ratio, which is really
too much to run well.
next prev parent reply other threads:[~2012-06-14 20:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1108815600.134531433.1339443818361.JavaMail.root@zimbra44-e7.priv.proxad.net>
2012-06-11 19:54 ` File copy is very slow on linux-3.4.2 (or linux-3.3x) on a specific hardware: AMD FX-8150 + 990FX wallak
2012-06-11 20:48 ` Borislav Petkov
2012-06-11 23:19 ` Wallak
2012-06-12 16:53 ` Jan Kara
2012-06-12 18:39 ` Wallak
2012-06-12 21:09 ` Jan Kara
2012-06-12 22:41 ` Wallak
2012-06-13 6:53 ` Jan Kara
2012-06-13 20:37 ` File copy is very slow on linux-3.4.2 (or linux-3.3x) on a specific hardware: AMD FX-8150 + 990FX (solved?) Wallak
2012-06-13 22:38 ` Johannes Weiner
2012-06-14 20:16 ` Wallak
2012-06-14 20:57 ` Rik van Riel [this message]
2012-06-16 19:32 ` Wallak
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