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SubjectRe: [patch 5/6] mmu_notifier: Support for drivers with revers maps (f.e. for XPmem)
On Thu, 28 Feb 2008, Andrea Arcangeli wrote:

> 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.

Yes but the patch that is discussed here does not handle that situation.


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