1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index b316fda58b89..ec8370368423 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -180,8 +180,8 @@ static struct page * vdso_vma_nopage(struct vm_area_struct * vma,
         unsigned long offset = address - vma->vm_start;
         struct page *pg;
 #ifdef CONFIG_PPC64
-        void *vbase = test_thread_flag(TIF_32BIT) ?
-                vdso32_kbase : vdso64_kbase;
+        void *vbase = (vma->vm_mm->task_size > TASK_SIZE_USER32) ?
+                vdso64_kbase : vdso32_kbase;
 #else
         void *vbase = vdso32_kbase;
 #endif