SD card unpartitioned space -- used for swap?

Tiago Marques tiagomnm at
Sun Dec 5 19:25:22 EST 2010

On Mon, Nov 22, 2010 at 7:21 PM, Mikus Grinbergs <mikus at> wrote:

> > Downsides
> > - Increased SD card wear
> For about two years now, I've been defining a swap partition on the
> (external) "permanent" SD card I use with my XO-1 systems.  So far, I
> have never experienced any problems with that setup.
My experience thus far, single partition with ext2(noatime), swap as a file
in /swap.img, 384MiB.

> The advantage is to relieve "memory pressure".  In particular, I am a
> heavy user of 'yum' - and that swap space (together with judicious
> specification for /var/cache/yum) allows me to run HUGE yum installs.
Indeed. Or general website viewing. Web browsers don't seem particularly
memory efficient these days.


> mikus
> p.s.  By the way, I also had a swap partition on the (external)
> "permanent" SD card I had in an XO-1.5.  But unless running an
> "unreasonable" number of Activities simultaneously, I do not recall ever
> seeing that swap partition on the XO-1.5 being used -- apparently the
> larger RAM size on the XO-1.5 rarely gets into "memory pressure".
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