From 65a8f5a1d6cb45270121da6fec316d125791e7be Mon Sep 17 00:00:00 2001 From: demonsome Date: Mon, 2 Aug 2021 22:59:19 +0800 Subject: [PATCH] Unify device node name "/proc/helloworld" (#33) The file name "proc helloworld" was not consistent with that of the later sentences. The latter sentences use the device node name "/proc/helloworld". --- lkmpg.tex | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lkmpg.tex b/lkmpg.tex index 0d19461..a699c5a 100644 --- a/lkmpg.tex +++ b/lkmpg.tex @@ -926,7 +926,7 @@ Because we don't get called when the file is opened or closed, there's nowhere f Here a simple example showing how to use a \textbf{/proc} file. This is the HelloWorld for the \textbf{/proc} filesystem. -There are three parts: create the file \textbf{\emph{proc} helloworld} in the function init\_module, return a value (and a buffer) when the file \textbf{/proc/helloworld} is read in the callback function \textbf{procfile\_read}, and delete the file \textbf{/proc/helloworld} in the function cleanup\_module. +There are three parts: create the file \textbf{/proc/helloworld} in the function init\_module, return a value (and a buffer) when the file \textbf{/proc/helloworld} is read in the callback function \textbf{procfile\_read}, and delete the file \textbf{/proc/helloworld} in the function cleanup\_module. The \textbf{/proc/helloworld} is created when the module is loaded with the function \textbf{proc\_create}. The return value is a \textbf{struct proc\_dir\_entry} , and it will be used to configure the file \textbf{/proc/helloworld} (for example, the owner of this file).