diff --git a/src/arch/x86_64/boot.asm b/src/arch/x86_64/boot.asm
index fcd2422..0179991 100644
--- a/src/arch/x86_64/boot.asm
+++ b/src/arch/x86_64/boot.asm
@@ -151,7 +151,7 @@ p3_table:
 p2_table:
     resb 4096
 stack_bottom:
-    resb 64
+    resb 4096 * 4
 stack_top:
 
 section .rodata
diff --git a/src/lib.rs b/src/lib.rs
index 2f8fca8..822aef8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,8 +13,6 @@ mod vga_buffer;
 
 #[no_mangle]
 pub extern fn rust_main() {
-    // ATTENTION: we have a very small stack and no guard page
-
     vga_buffer::clear_screen();
     println!("Hello World{}", "!");