static/freebsd/man9/pmap_resident_count.9 4.html


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<table class="head">
  <tr>
    <td class="head-ltitle">PMAP_RESIDENT_COUNT(9)</td>
    <td class="head-vol">Kernel Developer's Manual</td>
    <td class="head-rtitle">PMAP_RESIDENT_COUNT(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_resident_count</code>,
    <code class="Nm">pmap_wired_count</code> &#x2014; <span class="Nd">return
    page resident and wiring statistics</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">long</var>
  <br/>
  <code class="Fn">pmap_resident_count</code>(<var class="Fa" style="white-space: nowrap;">pmap_t
    pmap</var>);</p>
<p class="Pp"><var class="Ft">long</var>
  <br/>
  <code class="Fn">pmap_wired_count</code>(<var class="Fa" style="white-space: nowrap;">pmap_t
    pmap</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_resident_count"><code class="Fn" id="pmap_resident_count">pmap_resident_count</code></a>()
    and
    <a class="permalink" href="#pmap_wired_count"><code class="Fn" id="pmap_wired_count">pmap_wired_count</code></a>()
    macros allow <code class="Nm">pmap</code> consumers to retrieve statistics
    from the <var class="Va">pm_stats</var> member of the machine-dependent
    structure <var class="Vt">struct pmap</var>.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="IMPLEMENTATION_NOTES"><a class="permalink" href="#IMPLEMENTATION_NOTES">IMPLEMENTATION
  NOTES</a></h1>
<p class="Pp">Both functions are defined as in-line macros. The members which
    they access have type <var class="Vt">long</var>.</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_resident_count</code>() returns the
    number of pages in the physical map <var class="Va">pmap</var> which are
    currently resident in main memory.</p>
<p class="Pp">The <code class="Fn">pmap_wired_count</code>() returns the number
    of pages in the physical map <var class="Va">pmap</var> which are currently
    wired into in main memory.</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></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 21, 2003</td>
    <td class="foot-os">FreeBSD 15.0</td>
  </tr>
</table>