diff options
Diffstat (limited to 'arch/um/kernel/um_arch.c')
| -rw-r--r-- | arch/um/kernel/um_arch.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 80e2660782a0..74e07e748a9b 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -249,6 +249,7 @@ void uml_finishsetup(void) } /* Set during early boot */ +unsigned long stub_start; unsigned long task_size; EXPORT_SYMBOL(task_size); @@ -283,6 +284,10 @@ int __init linux_main(int argc, char **argv) add_arg(DEFAULT_COMMAND_LINE_CONSOLE); host_task_size = os_get_top_address(); + /* reserve two pages for the stubs */ + host_task_size -= 2 * PAGE_SIZE; + stub_start = host_task_size; + /* * TASK_SIZE needs to be PGDIR_SIZE aligned or else exit_mmap craps * out |