mm/migrate_device: try to handle swapcache pages

Migrating file pages and swapcache pages into device memory is not
supported.  Try to get rid of the swap cache, and if successful, go ahead
as with other anonymous pages.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Mika Penttilä <[email protected]>
Reviewed-by: "Huang, Ying" <[email protected]>
Reviewed-by: Alistair Popple <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Ralph Campbell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions