swapoff

Disable a swap area

$ sudo swapoff /path/to/swapfile

$ sudo swapoff -a

$ sudo swapoff -L swap_label

$ sudo swapoff -U uuid

swapoff [-va] [specialfile...]

swapoff disables swapping on the specified devices and files. When swapoff is called, all pages that are swapped to the specified areas are swapped back into RAM before the swap area is disabled.

-a, --all

Disable all swap areas listed in /proc/swaps

Disable swap partition with the specified label

Disable swap partition with the specified UUID

Enable verbose output

Display help text and exit

Display version information and exit

Disabling swap requires enough RAM to hold all swapped-out pages. If there is insufficient RAM, swapoff will fail. This can take significant time on heavily used swap areas.

swapoff is part of the util-linux package. It is the counterpart to swapon for disabling swap space.

swapon(8), mkswap(8), free(1)