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-<table class="head">
- <tr>
- <td class="head-ltitle">PMAP_IS_MODIFIED(9)</td>
- <td class="head-vol">Kernel Developer's Manual</td>
- <td class="head-rtitle">PMAP_IS_MODIFIED(9)</td>
- </tr>
-</table>
-<div class="manual-text">
-<section class="Sh">
-<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
-<p class="Pp"><code class="Nm">pmap_is_modified</code>,
- <code class="Nm">pmap_ts_modified</code> &#x2014; <span class="Nd">return
- information about physical pages</span></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
-<p class="Pp"><code class="In">#include
- &lt;<a class="In">sys/param.h</a>&gt;</code>
- <br/>
- <code class="In">#include &lt;<a class="In">vm/vm.h</a>&gt;</code>
- <br/>
- <code class="In">#include &lt;<a class="In">vm/pmap.h</a>&gt;</code></p>
-<p class="Pp"><var class="Ft">bool</var>
- <br/>
- <code class="Fn">pmap_is_modified</code>(<var class="Fa" style="white-space: nowrap;">vm_page_t
- m</var>);</p>
-<p class="Pp"><var class="Ft">int</var>
- <br/>
- <code class="Fn">pmap_ts_referenced</code>(<var class="Fa" style="white-space: nowrap;">vm_page_t
- m</var>);</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
-<p class="Pp">The
- <a class="permalink" href="#pmap_is_modified"><code class="Fn" id="pmap_is_modified">pmap_is_modified</code></a>()
- and
- <a class="permalink" href="#pmap_ts_referenced"><code class="Fn" id="pmap_ts_referenced">pmap_ts_referenced</code></a>()
- functions return information about physical pages.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN
- VALUES</a></h1>
-<p class="Pp">The <code class="Fn">pmap_is_modified</code>() function returns
- the status of the &#x201C;page modified&#x201D; bit for the physical page
- <var class="Fa">m</var>.</p>
-<p class="Pp">The <code class="Fn">pmap_ts_referenced</code>() function returns
- a count of reference bits for a page <var class="Fa">m</var>, clearing those
- bits. It is not necessary for every reference bit to be cleared, but it is
- necessary that 0 only be returned when there are no remaining reference bits
- set on the page.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
- ALSO</a></h1>
-<p class="Pp"><a class="Xr">pmap(9)</a>,
- <a class="Xr">pmap_clear_modify(9)</a></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
-<p class="Pp">This manual page was written by <span class="An">Bruce M
- Simpson</span>
- &lt;<a class="Mt" href="mailto:bms@spc.org">bms@spc.org</a>&gt;.</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">July 17, 2014</td>
- <td class="foot-os">FreeBSD 15.0</td>
- </tr>
-</table>