Currently, all callers to randomize_range() set the length to 0 and
calculate end by adding a constant to the start address.  We can
simplify the API to remove a bunch of needless checks and variables.

Use the new randomize_addr(start, range) call to set the requested
address.

Signed-off-by: Jason Cooper <redacted>
---
Changes from v2:
 - s/randomize_addr/randomize_page/ (Kees Cook)

 arch/tile/mm/mmap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/tile/mm/mmap.c b/arch/tile/mm/mmap.c
index 851a94e6ae58..ef61c597898b 100644
--- a/arch/tile/mm/mmap.c
+++ b/arch/tile/mm/mmap.c

@@ -88,6 +88,5 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
 
 unsigned long arch_randomize_brk(struct mm_struct *mm)
 {
-	unsigned long range_end = mm->brk + 0x02000000;
-	return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
+	return randomize_page(mm->brk, 0x02000000);
 }

-- 
2.9.2

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