On Tue, 8 Jun 2010, KOSAKI Motohiro wrote: > > Previously, the heuristic provided some protection for those tasks with > > CAP_SYS_RAWIO, but this is no longer necessary since we will not be > > killing tasks for the purposes of ISA allocations. > > Seems incorrect. CAP_SYS_RAWIO tasks usually both use GFP_KERNEL and GFP_DMA. > Even if last allocation is GFP_KERNEL, it doesn't provide any gurantee the > process doesn't have any in flight I/O. > Right, that's why I said it "provided some protection". > Then, we can't remove for RAWIO protection from oom heuristics. but the code > itself seems ok though. > It's removed with my heuristic rewrite. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>