Hello, Johannes. On Tue, Sep 15, 2015 at 09:47:24AM +0200, Johannes Weiner wrote: > Why can't we simply fail NOWAIT allocations when the high limit is > breached? We do the same for the max limit. Because that can lead to continued systematic failures of NOWAIT allocations. For that to work, we'll have to add async reclaimaing. > As I see it, NOWAIT allocations are speculative attempts on available > memory. We should be able to just fail them and have somebody that is > allowed to reclaim try again, just like with the max limit. Yes, but the assumption is that even back-to-back NOWAIT allocations won't continue to fail indefinitely. Thanks. -- tejun -- 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>