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[RFC,5/6] tile: Use simpler API for random address requests

Message ID 20160726030201.6775-5-jason@lakedaemon.net (mailing list archive)
State New, archived
Headers show

Commit Message

Jason Cooper July 26, 2016, 3:01 a.m. UTC
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

Signed-off-by: Jason Cooper <jason@lakedaemon.net>
 arch/tile/mm/mmap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/arch/tile/mm/mmap.c b/arch/tile/mm/mmap.c
index 851a94e6ae58..50f6a693a2b6 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_addr(mm->brk, 0x02000000);