4.1cBSD/usr/man/man2/vswapon.2

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.TH VSWAPON 2 2/13/83
.SH NAME
vswapon \- add a swap device for interleaved paging/swapping
.SH SYNOPSIS
.nf
.B vswapon(name)
.B char *name;
.fi
.SH DESCRIPTION
\fBThis call will be upgraded for 4.2.\fP
.PP
.I Vswapon
makes the argument block device available to the system for
allocation for paging and swapping.  The number of blocks to be
made available, as well as the names of all potentially available
devices are known to the system, and are present in the system
configuration file (e.g. \fI/sys/vax/swaphp.c\fP).
.SH "SEE ALSO"
swapon(8)
.SH BUGS
There is no way to stop swapping on a disk so that the pack may be
dismounted.
.PP
This call is peculiar to this version of UNIX.