Thread (28 messages) 28 messages, 6 authors, 2006-09-23

Re: [RFC] page fault retry with NOPAGE_RETRY

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2006-09-21 22:05:31
Also in: lkml

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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