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-rw-r--r--arch/s390/mm/mmap.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index d008f638b2cd..179a2c20b01f 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -183,7 +183,10 @@ unsigned long randomize_et_dyn(void)
{
unsigned long base;
- base = (STACK_TOP / 3 * 2) & (~mmap_align_mask << PAGE_SHIFT);
+ base = STACK_TOP / 3 * 2;
+ if (!is_32bit_task())
+ /* Align to 4GB */
+ base &= ~((1UL << 32) - 1);
return base + mmap_rnd();
}