RE: kswapd taking 100% CPU - only there's no swap?

["Mimmus" <dviggiani tiscali it>]

> by removing all swap, you take away the VM's breathing room.
> The VM may need to move memory around (for example because of 
> physical limits of some devices that can't do DMA to part of 
> your memory), or temporarily park some memory to make 
> progress. If you take away this bit of freedom from the VM, 
> you make the VM's job a LOT harder. If you compare the VM 
> with a car driver with a seatbelt, you could compare a VM 
> without swap with a car driver with a straightjacket. Sure 
> you can drive, as long as it's in a straight line ;)
Wonderful explanation.

Thank you.
Mimmus