# Kernel module

1.  [module_init](module_init.c)
1.  Debugging
    1.  [hello](hello.c)
    1.  [hello2](hello2.c)
    1.  [panic](panic.c)
1.  Module utils
    1.  [params](params.c)
    1.  [vermagic](vermagic.c)
    1.  [vermagic_fail](vermagic_fail.c)
    1.  [module_version](module_version.c)
1.  Pseudo filesystems
    1.  [debugfs](debugfs.c)
    1.  [procfs](procfs.c)
    1.  [sysfs](sysfs.c)
1.  [fops](fops.c)
    1.  [ioctl](ioctl.c)
    1.  [poll](poll.c)
    1.  [mmap](mmap.c)
    1.  [anonymous_inode](anonymous_inode.c)
    1.  [seq_file](seq_file.c)
        1. [seq_file_single](seq_file_inode.c)
1.  Asynchronous
    1.  [workqueue_cheat](workqueue_cheat.c)
    1.  [sleep](sleep.c)
    1.  [kthread](kthread.c)
    1.  [kthreads](kthreads.c)
    1.  [schedule](schedule.c)
    1.  [timer](timer.c)
    1.  [work_from_work](work_from_work.c)
1.  [irq](irq.c)
1.  Module dependencies
    1.  [dep](dep.c)
    1.  [dep2](dep2.c)
1.  [character_device](character_device.c)
    1.  [character_device_create](character_device_create.c)
1.  [virt_to_phys](virt_to_phys.c)
1.  Hardware device drivers
    1.  [pci_min](pci_min.c)
    1.  [pci](pci.c)
    1.  [platform_device](platform_device.c)