Messages in this thread | | | Date | Tue, 11 Dec 2012 08:17:42 +0100 | From | Mike Hommey <> | Subject | Re: [RFC v3] Support volatile range for anon vma |
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On Tue, Dec 11, 2012 at 11:41:04AM +0900, Minchan Kim wrote: > - What's the madvise(addr, length, MADV_VOLATILE)? > > It's a hint that user deliver to kernel so kernel can *discard* > pages in a range anytime. > > - What happens if user access page(ie, virtual address) discarded > by kernel? > > The user can see zero-fill-on-demand pages as if madvise(DONTNEED).
What happened to getting SIGBUS?
Mike
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