From: Justin Piszcz <jpiszcz@lucidpixels.com>
To: Andries Brouwer <aebr@win.tue.nl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Support for > 2GB swap partitions?
Date: Mon, 10 Jan 2005 05:10:22 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.61.0501100510000.27243@p500> (raw)
In-Reply-To: <20050110022019.GL6052@pclin040.win.tue.nl>
This was the problem, thanks!
On Mon, 10 Jan 2005, Andries Brouwer wrote:
> On Sun, Jan 09, 2005 at 07:34:38PM -0500, Justin Piszcz wrote:
>
>> I remember reading in the past that > 2GB swap partitions were supported
>> in Linux as of recent util-linux packages with a 2.6 kernel or am I wrong?
>>
>> # fdisk -l
>> /dev/sda2 17 526 4096575 82 Linux swap
>>
>> # top
>> Mem: 2075192k total, 2062540k used, 12652k free, 64k buffers
>>
>> Only recognizes 2GB of 4GB?
>
> A swap partition has a swap header that specifies its size
> (and possibly what bad blocks exist on the swap partition).
> Thus, if you did mkswap long ago, the useful size will not
> have changed. Do swapoff; mkswap; swapon and mkswap will
> tell you how large a swap partition it made, and swapon
> will cause the kernel to say how much swap space was added.
>
prev parent reply other threads:[~2005-01-10 10:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-10 0:34 Support for > 2GB swap partitions? Justin Piszcz
2005-01-10 0:47 ` Grzegorz Kulewski
2005-01-10 10:09 ` Justin Piszcz
2005-01-10 14:59 ` Nikola Ciprich
2005-01-10 2:20 ` Andries Brouwer
2005-01-10 10:10 ` Justin Piszcz [this message]
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