1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 9db85b2ce698..8d84250324b3 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -274,7 +274,7 @@ int __init linux_main(int argc, char **argv)
         if (have_root == 0)
                 add_arg(DEFAULT_COMMAND_LINE);
 
-        host_task_size = os_get_task_size();
+        host_task_size = os_get_top_address();
         /*
          * TASK_SIZE needs to be PGDIR_SIZE aligned or else exit_mmap craps
          * out