1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 76a62c0cb2bc..f5d7f4569ba7 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -25,7 +25,7 @@ void flush_thread(void)
 
         ret = unmap(&current->mm->context.id, 0, STUB_START, 0, &data);
         ret = ret || unmap(&current->mm->context.id, STUB_END,
-                           TASK_SIZE - STUB_END, 1, &data);
+                           host_task_size - STUB_END, 1, &data);
         if (ret) {
                 printk(KERN_ERR "flush_thread - clearing address space failed, "
                        "err = %d\n", ret);