Linux Disable Swap

Internal

• Linux Memory Management

Disabling Swap During Installation

Do not specify a swap device.

Disabling Swap at Runtime

swapoff -a

The command disables swapping on the specified device (or on all devices if -a is specified) in kernel.

Note that the command does not modify /etc/fstab so if there are swap devices mentioned there, swap will be re-enabled upon reboot. In order to prevent the kernel to re-enable swapping, remove the swap devices from /etc/fstab.