mm: System without MMU do not need pte_mkwrite

The patch "thp: export maybe_mkwrite" (commit 14fd403f2146) breaks
systems without MMU.

Error log:

    CC      arch/microblaze/mm/init.o
  In file included from include/linux/mman.h:14,
                   from arch/microblaze/mm/consistent.c:24:
  include/linux/mm.h: In function 'maybe_mkwrite':
  include/linux/mm.h:482: error: implicit declaration of function 'pte_mkwrite'
  include/linux/mm.h:482: error: incompatible types in assignment

Signed-off-by: Michal Simek <[email protected]>
CC: Andrea Arcangeli <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
CC: Andrew Morton <[email protected]>
CC: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions