On Tue, 30 Oct 2012 11:35:59 +0100 Michal Hocko <mhocko@xxxxxxx> wrote: > > If the kernel is uniprocessor and the caller is SCHED_FIFO: ad infinitum! > > ... > > Can we consider this as a corner case (it is much easier to kill a > machine with SCHED_FIFO than this anyway) or the concern is really > strong and we should come with a solution before this can get merged? Sure. SCHED_FIFO can be used to permanently block all kernel threads which pretty quickly results in a very sick kernel. My observation was just a general moan about the SCHED_FIFO wontfix problem :) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>