NAME
altmem —
Alternative memory disk
driver
SYNOPSIS
altmem* at altmemdev?
DESCRIPTION
The
altmem driver enables use of physical memory that is
normally inaccessible by the machine-dependent
pmap(9) as a swap device.
When an alternative memory disk device is present, this device is generally
preferred to hard disk-based swap space. See the
swapctl(8) and
fstab(5) man pages for
instructions on how to assign priorities to swap devices.
FILES
- /dev/altmem??
- block mode alternative memory disk devices.
- /dev/raltmem??
- raw mode alternative memory disk devices.
SEE ALSO
md(4),
fstab(5),
swapctl(8)
HISTORY
The
altmem device driver appeared in
NetBSD
6.0.
AUTHORS
Jared D. McNeill
<
jmcneill@NetBSD.org>