Re: [RFC] page fault retry with NOPAGE_RETRY

From: Benjamin Herrenschmidt
Date: Thu Sep 21 2006 - 18:05:46 EST


> 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.


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