On Mon, 28 Nov 2016, Mel Gorman wrote: > Yes, that's a problem for SLUB with or without this patch. It's always > been the case that SLUB relying on high-order pages for performance is > problematic. This is a general issue in the kernel. Performance often requires larger contiguous ranges of memory. > > that only insiders know how to tune and an overall fragile solution. > While I agree with all of this, it's also a problem independent of this > patch. It is related. The fundamental issue with fragmentation remain and IMHO we really need to tackle this. -- 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>