On Mon, 6 Aug 2007, Peter Zijlstra wrote: > > > Shudder. That can just be a desaster for NUMA. Both performance wise > > > and logic wise. One cpuset being low on memory should not affect > > > applications in other cpusets. > > Do note that these are only PF_MEMALLOC allocations that will break the > cpuset. And one can argue that these are not application allocation but > system allocations.
This is global, global locking etc etc. On a large NUMA system this will cause significant delays. One fears that a livelock may result. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/