[PATCH] freepgt: remove FIRST_USER_ADDRESS hack

Once all the MMU architectures define FIRST_USER_ADDRESS, remove hack from
mmap.c which derived it from FIRST_USER_PGD_NR.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/mmap.c b/mm/mmap.c
index ac6e694..6ea204c 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1612,11 +1612,6 @@
 	validate_mm(mm);
 }
 
-#ifndef FIRST_USER_ADDRESS	/* temporary hack */
-#define THIS_IS_ARM		FIRST_USER_PGD_NR
-#define FIRST_USER_ADDRESS	(THIS_IS_ARM * PAGE_SIZE)
-#endif
-
 /*
  * Get rid of page table information in the indicated region.
  *