selftests: add a MREMAP_DONTUNMAP selftest for shmem

This test extends the current mremap tests to validate that the
MREMAP_DONTUNMAP operation can be performed on shmem mappings.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Brian Geffon <[email protected]>
Cc: Axel Rasmussen <[email protected]>
Cc: Lokesh Gidra <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Peter Xu <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: "Michael S . Tsirkin" <[email protected]>
Cc: Brian Geffon <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Sonny Rao <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: "Kirill A . Shutemov" <[email protected]>
Cc: Dmitry Safonov <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Alejandro Colomar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions