vnode_pager_putpages hanged my machine

[Eugene Grosbein]

> But any regular user can bring the system virtually to a stand
> still this way. Shouldn't the OS prevent this to happen?
> That's why I suspect a bug somewhere allowing this to happen.

A system administrator must prevent such things from happening
using limits(1) or login.conf(5). FreeBSD does not enforce memory usage
limits by default.

Eugene