> 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Follow-Ups:
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Andrew Morton <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- References:
- [RFC] page fault retry with NOPAGE_RETRY
- From: Benjamin Herrenschmidt <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Andrew Morton <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Mike Waychison <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Benjamin Herrenschmidt <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Benjamin Herrenschmidt <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Andrew Morton <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Benjamin Herrenschmidt <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Andrew Morton <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Benjamin Herrenschmidt <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Andrew Morton <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Benjamin Herrenschmidt <[email protected]>
- Re: [RFC] page fault retry with NOPAGE_RETRY
- From: Andrew Morton <[email protected]>
- [RFC] page fault retry with NOPAGE_RETRY
- Prev by Date: [patch 2/2] sched: cleanup sched_group cpu_power setup
- Next by Date: Re: [PATCH 2.6.18] [TRIVIAL] Spelling fixes in Documentation/DocBook
- Previous by thread: Re: [RFC] page fault retry with NOPAGE_RETRY
- Next by thread: Re: [RFC] page fault retry with NOPAGE_RETRY
- Index(es):