1 files changed, 3 insertions, 0 deletions

diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index e1ffea2f9a0b..5aba01ac457f 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -77,6 +77,9 @@ static unsigned long mmap_upper_limit(void)
         if (stack_base > STACK_SIZE_MAX)
                 stack_base = STACK_SIZE_MAX;
 
+        /* Add space for stack randomization. */
+        stack_base += (STACK_RND_MASK << PAGE_SHIFT);
+
         return PAGE_ALIGN(STACK_TOP - stack_base);
 }