Parse the main configuration options of Linux kernel in detail

Article title: parse the main configuration options of the Linux kernel in detail. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

The command to configure the kernel is:

# Make config text configuration method

# Make menuconfig menu configuration

# Make xconfig graphical interface configuration

We can use any command to configure the kernel. We generally recommend using make menuconfig to configure the kernel.

I. code maturity options

Code maturity level options --->[*] Prompt for development and/or incomplete code/drivers [*] Select only drivers expected to compile cleanly

Some immature code and functions are included in the kernel. to use these functions and enable related configuration options, you must enable this option.

II. general settings

General setup --->() Local version - append to kernel release[*] Automatically append version information to the version string[*] Support for paging of anonymous memory (swap)[*] System V IPC[*] POSIX Message Queues[*] BSD Process Accounting[*] BSD Process Accounting version 3 file format[*] Sysctl support[ ] Auditing support[*] Support for hot-pluggable devices[*] Kernel Userspace Events[*] Kernel .config support[*] Enable access to .config through /proc/config.gz() Initramfs source file(s)[*] Configure standard kernel features (for small systems) ---> --- Configure standard kernel features (for small systems) [ ] Load all symbols for debugging/kksymoops [ ] Do an extra kallsyms pass [ ] Enable support for prinlk [ ] BUG()support [ ] Enable full-sinzed data structures for core [*] Enable futex support [*] Enable eventpoll support [*] Optimize for size [*] Use full shmem filesystem (0) Function alignment (0) Label alignment (0) Loop alignment (0) Jump alignment

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