text: --- base/memory/madv_free_discardable_memory_posix.cc.orig	2020-11-13 06:36:34 UTC
  +++ base/memory/madv_free_discardable_memory_posix.cc
  @@ -292,7 +292,7 @@ void MadvFreeDiscardableMemoryPosix::SetKeepMemoryForT
   
   bool MadvFreeDiscardableMemoryPosix::IsResident() const {
     DFAKE_SCOPED_RECURSIVE_LOCK(thread_collision_warner_);
  -#if defined(OS_APPLE)
  +#if defined(OS_APPLE) || defined(OS_BSD)
     std::vector<char> vec(allocated_pages_);
   #else
     std::vector<unsigned char> vec(allocated_pages_);
  