Messages in this thread | | | Date | Tue, 10 Oct 2006 10:39:48 +0200 | From | Thomas Hellstrom <> | Subject | Re: [patch 3/3] mm: fault handler to replace nopage and populate |
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Benjamin Herrenschmidt wrote: >>Still, even with NOPAGE_REFAULT or the equivalent with the new fault() code, >>in the case we need to take this route, (and it looks like we won't have >>to), >>I guess we still need to restart from find_vma() in the fault()/nopage() >>handler to make sure the VMA is still present. The object mutex need to >>be dropped as well to avoid deadlocks. Sounds complicated. > > > But as we said, it should be enough to do the flag change with the > object mutex held as long as it's after unmap_mapped_ranges() > > Ben. > > Agreed. /Thomas
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