Re: PROBLEM: ramfs causes system hang when swapping

[Alan Cox]

> I have a ramfs mounted as /tmp. When I create a large file:
> 
>     dd if=/dev/zero of=/tmp/xxx bs=1024K count=200
>     
> (with 128M RAM), the complete system comes to a halt. Hitting keys does not do 

RAMfs doesnt use swap. It also in 2.4.2 doesnt have limits. The -ac one uses
limits so will stop you totally running the box out of ram. 2.4ac also has
the true tmpfs with swap backing