On Wed, Aug 16, 2017 at 12:44:28AM -0700, Dan Williams wrote: > @@ -1411,6 +1422,9 @@ unsigned long do_mmap(struct file *file, unsigned long addr, > > /* fall through */ > case MAP_PRIVATE: > + if ((flags & (MAP_PRIVATE|MAP_DIRECT)) > + == (MAP_PRIVATE|MAP_DIRECT)) > + return -EINVAL; We've already checked for MAP_PRIVATE in this codepath. Simple (flags & MAP_DIRECT) would be enough. -- Kirill A. Shutemov -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
