On Fri, 18 Sep 2015, Kyle Walker wrote: > I do like the idea of not stalling completely in an oom just because the > first attempt didn't go so well. Is there any possibility of simply having > our cake and eating it too? Specifically, omitting TASK_UNINTERRUPTIBLE > tasks > as low-hanging fruit and allowing the oom to continue in the event that the > first attempt stalls?
TASK_UNINTERRUPTIBLE tasks should not be sleeping that long and they *should react* in a reasonable timeframe. There is an alternative API for those cases that cannot. Typically this is a write that is stalling. If we kill the process then its pointless to wait on the write to complete. See https://lwn.net/Articles/288056/ http://www.ibm.com/developerworks/library/l-task-killable/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/