I was basically open-coding it (thanks to copying code from do_fault()
which probably also needs to be fixed).
Signed-off-by: NMatthew Wilcox <willy@linux.intel.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>