1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>i915_gem_evict_vm</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux DRM Developer's Guide"><link rel="up" href="ch04s03.html#idp1128473508" title="Buffer Object Eviction"><link rel="prev" href="API-i915-gem-evict-something.html" title="i915_gem_evict_something"><link rel="next" href="API-i915-gem-evict-everything.html" title="i915_gem_evict_everything"></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">i915_gem_evict_vm</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-i915-gem-evict-something.html">Prev</a>&#160;</td><th width="60%" align="center">Buffer Object Eviction</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-i915-gem-evict-everything.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-i915-gem-evict-vm"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>i915_gem_evict_vm &#8212; 
2     Evict all idle vmas from a vm
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">int <b class="fsfunc">i915_gem_evict_vm </b>(</code></td><td>struct i915_address_space * <var class="pdparam">vm</var>, </td></tr><tr><td>&#160;</td><td>bool <var class="pdparam">do_idle</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1128498996"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>vm</code></em></span></dt><dd><p>
4     Address space to cleanse
5    </p></dd><dt><span class="term"><em class="parameter"><code>do_idle</code></em></span></dt><dd><p>
6     Boolean directing whether to idle first.
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1128501636"></a><h2>Description</h2><p>
8   This function evicts all idles vmas from a vm. If all unpinned vmas should be
9   evicted the <em class="parameter"><code>do_idle</code></em> needs to be set to true.
10   </p><p>
11
12   This is used by the execbuf code as a last-ditch effort to defragment the
13   address space.
14</p></div><div class="refsect1"><a name="idp1128502948"></a><h2>To clarify</h2><p>
15   This is for freeing up virtual address space, not for freeing
16   memory in e.g. the shrinker.
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