diff options
Diffstat (limited to 'sbin/swapctl')
| -rw-r--r-- | sbin/swapctl/swapctl.8 | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/sbin/swapctl/swapctl.8 b/sbin/swapctl/swapctl.8 index 0bdc8574ca6..23993a0c175 100644 --- a/sbin/swapctl/swapctl.8 +++ b/sbin/swapctl/swapctl.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: swapctl.8,v 1.24 2006/08/24 08:30:26 jmc Exp $ +.\" $OpenBSD: swapctl.8,v 1.25 2006/08/24 08:47:58 jmc Exp $ .\" $NetBSD: swapctl.8,v 1.14 1998/05/22 18:27:52 msaitoh Exp $ .\" .\" Copyright (c) 1997 Matthew R. Green @@ -187,8 +187,14 @@ Additional flags include: .Pp .Bl -tag -width nfsmntpt=/path -compact .It priority=N -This option sets the priority of the specified swap device to N. -The highest priority is 0, second priority is 1, etc. +Swap devices and files may be assigned different priorities, +to allow faster resources to be used first. +Swap devices at the same priority are used in a round-robin fashion until +there is no more space available at this priority, when the next priority +level will be used. +The default priority is 0, the highest. +This value can be any valid integer, +with higher values receiving less priority. .It nfsmntpt=/path This option is useful for swapping to NFS files. It specifies the local mount point to mount an NFS filesystem. @@ -200,20 +206,6 @@ For example: server:/export/swap/client none swap sw,nfsmntpt=/swap .Ed .El -.Sh WARNINGS -Local and remote swap files cannot be configured until the file -systems they reside on are mounted read/write. -The system startup scripts need to -.Xr fsck 8 -all local file systems before this can happen. -This process requires substantial amounts of memory on some systems. -If one configures no -local block swap devices on a machine that has local file systems to -check and rely only on swap files, the machine will have no swap space -at all during system -.Xr fsck 8 -and may run out of real memory, causing fsck to abnormally exit and -startup scripts to fail. .Sh SEE ALSO .Xr swapctl 2 , .Xr fstab 5 , @@ -236,3 +228,17 @@ The .Nm program was written by .An Matthew R. Green Aq mrg@eterna.com.au . +.Sh BUGS +Local and remote swap files cannot be configured until the file +systems they reside on are mounted read/write. +The system startup scripts need to +.Xr fsck 8 +all local file systems before this can happen. +This process requires substantial amounts of memory on some systems. +If one configures no +local block swap devices on a machine that has local file systems to +check and rely only on swap files, the machine will have no swap space +at all during system +.Xr fsck 8 +and may run out of real memory, causing fsck to abnormally exit and +startup scripts to fail. |