forkexectree can run even longer now

6ef0e613 · Nickolai Zeldovich · 4644ca7a · 6ef0e613
--- a/kernel/spinlock.cc
+++ b/kernel/spinlock.cc
@@ -24,7 +24,10 @@ void*
 klockstat::operator new(unsigned long nbytes)
 {
  assert(nbytes == sizeof(klockstat));
-  return kmalloc(sizeof(klockstat), "klockstat");
+  void* p = kmalloc(sizeof(klockstat), "klockstat");
+  if (!p)
+    throw std::bad_alloc();
+  return p;
 }

 void