<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >Routines and Conventions</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Unreliable Guide To Hacking The Linux Kernel" HREF="book1.html"><LINK REL="PREVIOUS" TITLE="EXPORT_SYMBOL_GPL() include/linux/module.h" HREF="x404.html"><LINK REL="NEXT" TITLE="Return Conventions" HREF="x418.html"></HEAD ><BODY CLASS="CHAPTER" 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" >Unreliable Guide To Hacking The Linux Kernel</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x404.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x418.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="CONVENTIONS" ></A >Routines and Conventions</H1 ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="CONVENTIONS-DOUBLELINKEDLIST" ></A >Double-linked lists <TT CLASS="FILENAME" >include/linux/list.h</TT ></H1 ><P > There are three sets of linked-list routines in the kernel headers, but this one seems to be winning out (and Linus has used it). If you don't have some particular pressing need for a single list, it's a good choice. In fact, I don't care whether it's a good choice or not, just use it so we can get rid of the others. </P ></DIV ></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="x404.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="x418.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><TT CLASS="FUNCTION" >EXPORT_SYMBOL_GPL()</TT > <TT CLASS="FILENAME" >include/linux/module.h</TT ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Return Conventions</TD ></TR ></TABLE ></DIV ></BODY ></HTML >