message: lockedpool: avoid sensitive data in core files (FreeBSD)
  This is a followup to
  /
  to also use madvise(2) on FreeBSD to avoid sensitive data allocated
  with secure_allocator ending up in core files in addition to preventing
  it from going to the swap.
diff: @@ -253,8 +253,10 @@ void *PosixLockedPageAllocator::AllocateLocked(size_t len, bool *lockingSuccess)
  }
  if (addr) {
  *lockingSuccess = mlock(addr, len) == 0;
  -#ifdef MADV_DONTDUMP
  +#if defined(MADV_DONTDUMP) // Linux
  madvise(addr, len, MADV_DONTDUMP);
  +#elif defined(MADV_NOCORE) // FreeBSD
  + madvise(addr, len, MADV_NOCORE);
  #endif
  }
  return addr;
  