<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >kmem_cache_destroy</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="The Linux Kernel API" HREF="book1.html"><LINK REL="UP" TITLE="The Slab Cache" HREF="c2455.html#AEN2457"><LINK REL="PREVIOUS" TITLE="kmem_cache_shrink" HREF="r2532.html"><LINK REL="NEXT" TITLE="kmem_cache_alloc" HREF="r2587.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >The Linux Kernel API</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="r2532.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r2587.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="AEN2558" ></A ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >kmem_cache_destroy</SPAN ></SPAN ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2562" ></A ><H2 >Name</H2 >kmem_cache_destroy -- delete a cache </DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2565" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN2567" ></A ><P ></P ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >kmem_cache_destroy </TT ></CODE >(kmem_cache_t * <TT CLASS="PARAMETER" ><I >cachep</I ></TT >);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2573" ></A ><H2 >Arguments</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="PARAMETER" ><I >cachep</I ></TT ></DT ><DD ><P > the cache to destroy </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2581" ></A ><H2 >Description</H2 ><P > Remove a kmem_cache_t object from the slab cache. Returns 0 on success. </P ><P > It is expected this function will be called by a module when it is unloaded. This will remove the cache completely, and avoid a duplicate cache being allocated each time a module is loaded and unloaded, if the module doesn't have persistent in-kernel storage across loads and unloads. </P ><P > The caller must guarantee that noone will allocate memory from the cache during the <TT CLASS="FUNCTION" >kmem_cache_destroy</TT >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="r2532.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="r2587.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >kmem_cache_shrink</SPAN ></SPAN ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c2455.html#AEN2457" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >kmem_cache_alloc</SPAN ></SPAN ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >