mm/mremap: remove goto from mremap_to()

mremap_to() has a goto label at the end that doesn't unwind anything. 
Removing the label makes the code cleaner.

This commit also adds documentation to the function.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Liam R. Howlett <[email protected]>
Reviewed-by: Pedro Falcato <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: Jeff Xu <[email protected]>
Cc: Kefeng Wang <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Qi Zheng <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions