Messages in this thread | | | Subject | Re: [RFC] page fault retry with NOPAGE_RETRY | From | Benjamin Herrenschmidt <> | Date | Fri, 22 Sep 2006 08:05:04 +1000 |
| |
> So I think there's a nasty DoS here if we permit infinite retries. But > it's not just that - there might be other situations under really heavy > memory pressure where livelocks like this can occur. It's just a general > robustness-of-implementation issue.
Got it. Now, changing args to no_page() will be a pretty big task....
Ben.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |