1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>nr_free_pagecache_pages</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="ch04s03.html" title="More Memory Management Functions"><link rel="prev" href="API-nr-free-zone-pages.html" title="nr_free_zone_pages"><link rel="next" href="API-find-next-best-node.html" title="find_next_best_node"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">nr_free_pagecache_pages</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-nr-free-zone-pages.html">Prev</a>&#160;</td><th width="60%" align="center">More Memory Management Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-find-next-best-node.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-nr-free-pagecache-pages"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>nr_free_pagecache_pages &#8212; 
2     count number of pages beyond high watermark
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">unsigned long <b class="fsfunc">nr_free_pagecache_pages </b>(</code></td><td> <var class="pdparam">void</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124534084"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>void</code></em></span></dt><dd><p>
4     no arguments
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124535692"></a><h2>Description</h2><p>
6   </p><p>
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8   <code class="function">nr_free_pagecache_pages</code> counts the number of pages which are beyond the
9   high watermark within all zones.
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