mm/mremap: replace can_modify_mm with can_modify_vma

Delegate all can_modify checks to the proper places.  Unmap checks are
done in do_unmap (et al).  The source VMA check is done purposefully
before unmapping, to keep the original mseal semantics.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Pedro Falcato <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Reviewed-by: Lorenzo Stoakes <[email protected]>
Cc: Jeff Xu <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions