1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>alloc_pages_exact_nid</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-alloc-vm-area.html" title="alloc_vm_area"><link rel="next" href="API-nr-free-zone-pages.html" title="nr_free_zone_pages"></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">alloc_pages_exact_nid</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-alloc-vm-area.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-nr-free-zone-pages.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-alloc-pages-exact-nid"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>alloc_pages_exact_nid &#8212; 
2  allocate an exact number of physically-contiguous pages on a node.
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">void * <b class="fsfunc">alloc_pages_exact_nid </b>(</code></td><td>int <var class="pdparam">nid</var>, </td></tr><tr><td>&#160;</td><td>size_t <var class="pdparam">size</var>, </td></tr><tr><td>&#160;</td><td>gfp_t <var class="pdparam">gfp_mask</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124516668"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>nid</code></em></span></dt><dd><p>
4     the preferred node ID where memory should be allocated
5    </p></dd><dt><span class="term"><em class="parameter"><code>size</code></em></span></dt><dd><p>
6     the number of bytes to allocate
7    </p></dd><dt><span class="term"><em class="parameter"><code>gfp_mask</code></em></span></dt><dd><p>
8     GFP flags for the allocation
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124520364"></a><h2>Description</h2><p>
10   Like <code class="function">alloc_pages_exact</code>, but try to allocate on node nid first before falling
11   back.
12   Note this is not <code class="function">alloc_pages_exact_node</code> which allocates on a specific node,
13   but is not exact.
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