powerpc/mm: handle VDSO unmapping via close() rather than arch_unmap()

Add a close() callback to the VDSO special mapping to handle unmapping of
the VDSO.  That will make it possible to remove the arch_unmap() hook
entirely in a subsequent patch.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Michael Ellerman <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Jeff Xu <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Pedro Falcato <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions