Messages in this thread | | | Date | Thu, 28 Feb 2008 01:42:26 +0100 | From | Andrea Arcangeli <> | Subject | Re: [patch 5/6] mmu_notifier: Support for drivers with revers maps (f.e. for XPmem) |
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On Wed, Feb 27, 2008 at 02:43:41PM -0800, Christoph Lameter wrote: > Nope. unmap_mapping_range is already handled by the range callbacks.
But they're called with atomic=1 on anything but anonymous memory. I understood Andrew asked to remove the atomic param and to allow sleeping for all kind of vmas. I also understood certain XPMEM customers asked to use XPMEM on something more than anonymous memory.
> The situation that you are imagining has already been dealt with [..]
I guess there's some misunderstanding, I think Nick was referring to the above problem.
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