various little fixes that should have been in earlier checkins

6e6a1dd7 · rsc · 84d79573 · 6e6a1dd7 · 6e6a1dd7
--- a/main.c
+++ b/main.c
@@ -87,8 +87,6 @@ main0(void)
  cprintf("loaded userfs\n");
  scheduler();
-  return 0;
 }
 // Additional processors start here.

--- a/mp.c
+++ b/mp.c
 #include "types.h"
 #include "mp.h"
 #include "defs.h"
-#include "memlayout.h"
 #include "param.h"
 #include "x86.h"
 #include "traps.h"