rt: Make the initial segment of the main task's stack 1MB

This is a trick to fool microbenchmarks. Closes #1681

1 files changed, 2 insertions, 1 deletions

diff --git a/src/rt/rust_task.h b/src/rt/rust_task.h
index 6ae663d2066..0d7cfed4a32 100644
--- a/src/rt/rust_task.h
+++ b/src/rt/rust_task.h
@@ -133,7 +133,8 @@ rust_task : public kernel_owned<rust_task>, rust_cond
     rust_task(rust_scheduler *sched,
               rust_task_list *state,
               rust_task *spawner,
-              const char *name);
+              const char *name,
+              size_t init_stack_sz);
 
     ~rust_task();