operator new & delete for klockstat

bd01691d · Nickolai Zeldovich · 8d4b3ab5 · bd01691d · bd01691d
--- a/include/lockstat.h
+++ b/include/lockstat.h
@@ -28,6 +28,9 @@ struct klockstat : public rcu_freed {
  klockstat(const char *name);
  virtual void do_gc() { delete this; }
+  static void* operator new(unsigned long nbytes);
+  static void operator delete(void *p);
 };
 #else
 struct klockstat;

--- a/kernel/spinlock.cc
+++ b/kernel/spinlock.cc
@@ -19,6 +19,19 @@ mylockstat(struct spinlock *lk)
 {
  return &lk->stat->s.cpu[cpunum()];
 }
+void*
+klockstat::operator new(unsigned long nbytes)
+{
+  assert(nbytes == sizeof(klockstat));
+  return kmalloc(sizeof(klockstat));
+}
+void
+klockstat::operator delete(void *p)
+{
+  return kmfree(p, sizeof(klockstat));
+}
 #endif
 static inline void