1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 98d85952f574..aa9414ed74c7 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -914,3 +914,10 @@ unsigned long arch_align_stack(unsigned long sp)
                 sp -= get_random_int() % 8192;
         return sp & ~0xf;
 }
+
+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;
+}
+