On Tue, May 28, 2019 at 02:46:59PM +0100, Robin Murphy wrote:
> In order for things like get_user_pages() to work on ZONE_DEVICE memory,
> we need a software PTE bit to identify device-backed PFNs. Hook this up
> along with the relevant helpers to join in with ARCH_HAS_PTE_DEVMAP.
>
>
In order for things like get_user_pages() to work on ZONE_DEVICE memory,
we need a software PTE bit to identify device-backed PFNs. Hook this up
along with the relevant helpers to join in with ARCH_HAS_PTE_DEVMAP.
Signed-off-by: Robin Murphy
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Fix to build correctly under all combinations of
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