tree 69247be2e360e3cceb330773df9d50f34652dd73
parent 9f78bdfabf0de0bc8d3cc97d06908651b577a567
author Al Viro <viro@zeniv.linux.org.uk> 1391620451 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1396408767 -0400

process_vm_access: switch to copy_page_to_iter/iov_iter_copy_from_user

... rather than open-coding those.  As a side benefit, we get much saner
loop calling those; we can just feed entire pages, instead of the "copy
would span the iovec boundary, let's do it in two loop iterations" mess.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>