Method PopRange

libs/tcmalloc-1.4/src/thread_cache.h:219–224

    }

    void PopRange(int N, void **start, void **end) {
      SLL_PopRange(&list_, N, start, end);
      ASSERT(length_ >= (unsigned int)N);
      length_ -= N;
      if (length_ < lowater_) lowater_ = length_;
    }
  };

  // The number of bytes one ThreadCache will steal from another when