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Christophe Leroy authored
Use fault_in_pages_readable() to prefault user context instead of open coding Signed-off-by:
Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by:
Mathieu Malaterre <malat@debian.org> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
56b04d56