process_vm_access: take get_user_pages/put_pages one level up

... and trim the fuck out of process_vm_rw_pages() argument list.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-02-05 12:44:24 -05:00
commit 70eca12d80