Managing and Developing Dynamically Loadable Kernel Modules

Managing Dynamically Loadable Kernel Modules

Chapter 12 517

Step 2. To unload a dynamically conﬁgured loadable module by ID number,

execute this kmadmin command:

/usr/sbin/kmadmin -u

module_id

Determining Which Modules are Currently Registered and/or Loaded

Use the -S or -s option of the kmadmin command to view detailed

information about all currently registered DLKM modules.

Step 1. To print the full status for all dynamically conﬁgured loadable modules

currently registered, execute this kmadmin command:

/usr/sbin/kmadmin -S

Step 2. To print the brief status for all dynamically conﬁgured loadable modules

currently registered, execute this kmadmin command:

/usr/sbin/kmadmin -s

Step 3. To print a list of all statically linked modules, execute the following

kmadmin command:

/usr/sbin/kmadmin -k

Obtaining Information About a Registered and/or Loaded Module

Use the -Q or -q option of the kmadmin command to view detailed

information about a speciﬁc DLKM module. For a DLKM module

conﬁgured as dynamically loadable, you can refer to the module by its

name or by its ID number.

Step 1. To display a dynamically conﬁgured loadable module’s status by name,

execute this kmadmin command:

/usr/sbin/kmadmin -Q

module_name

Step 2. To display a dynamically conﬁgured loadable module’s status by ID,

execute the following kmadmin command:

/usr/sbin/kmadmin -q

module_id

Depending on the type of module, information on the module’s block

major number, character major number, and ﬂags may also be printed.

Information returned by the -Q and -q options includes:

❏ Module’s name