On Saturday, September 24, 2016, Linus Torvalds &lt;<a href="mailto:torvalds@linux-foundation.org">torvalds@linux-foundation.org</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Sat, Sep 24, 2016 at 2:04 PM, Kirill A. Shutemov<br>
&lt;<a href="javascript:;" onclick="_e(event, &#39;cvml&#39;, &#39;kirill.shutemov@linux.intel.com&#39;)">kirill.shutemov@linux.intel.com</a>&gt; wrote:<br>
&gt;<br>
&gt; Well, my ext4-with-huge-pages patchset[1] uses multi-order entries.<br>
&gt; It also converts shmem-with-huge-pages and hugetlb to them.<br>
<br>
Ok, so that code actually has a chance of being used. I guess we&#39;ll<br>
not remove it. But I *would* like this subtle issue to have a comment<br>
around that odd cast/and/mask thing.<br>
<br>
            Linus<br>
</blockquote><div><br></div><div>My DAX PMD patches will use multi-order entries as well.<span></span> </div>