random: remove unused randomize_range()

[cascardo/linux.git] / drivers / char / random.c

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 40eb07e..d131e15 100644 (file)
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -2100,25 +2100,6 @@ unsigned long get_random_long(void)
 }
 EXPORT_SYMBOL(get_random_long);
 
-/*
- * randomize_range() returns a start address such that
- *
- *    [...... <range> .....]
- *  start                  end
- *
- * a <range> with size "len" starting at the return value is inside in the
- * area defined by [start, end], but is otherwise randomized.
- */
-unsigned long
-randomize_range(unsigned long start, unsigned long end, unsigned long len)
-{
-       unsigned long range = end - len - start;
-
-       if (end <= start + len)
-               return 0;
-       return PAGE_ALIGN(get_random_int() % range + start);
-}
-
 /**
  * randomize_page - Generate a random, page aligned address
  * @start:     The smallest acceptable address the caller will take.