CONFIG_PROC_SYSCTL: Sysctl support (/proc/sys)

General informations

The Linux kernel configuration item CONFIG_PROC_SYSCTL has multiple definitions:

Sysctl support (/proc/sys) found in fs/proc/Kconfig

The configuration item CONFIG_PROC_SYSCTL:

• prompt: Sysctl support (/proc/sys)
• type: bool
• depends on: ( CONFIG_EXPERT ) && ( CONFIG_PROC_FS )
• defined in fs/proc/Kconfig
• found in Linux kernels: 2.6.27–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

The sysctl interface provides a means of dynamically changing certain kernel parameters and variables on the fly without requiring a recompile of the kernel or reboot of the system. The primary interface is through /proc/sys. If you say Y here a tree of modifiable sysctl entries will be generated beneath the /proc/sys directory. They are explained in the files in Documentation/admin-guide/sysctl/. Note that enabling this option will enlarge the kernel by at least 8 KB.

As it is generally a good thing, you should say Y here unless building a kernel for install/rescue disks or your system is very limited in memory.

Sysctl support (/proc/sys) found in fs/Kconfig

The configuration item CONFIG_PROC_SYSCTL:

• prompt: Sysctl support (/proc/sys)
• type: bool
• depends on: ( CONFIG_EMBEDDED ) && ( CONFIG_PROC_FS )
• defined in fs/Kconfig
• found in Linux kernels: 2.6.19–2.6.26

Help text

The sysctl interface provides a means of dynamically changing certain kernel parameters and variables on the fly without requiring a recompile of the kernel or reboot of the system. The primary interface is through /proc/sys. If you say Y here a tree of modifiable sysctl entries will be generated beneath the /proc/sys directory. They are explained in the files in Documentation/sysctl/. Note that enabling this option will enlarge the kernel by at least 8 KB.

As it is generally a good thing, you should say Y here unless building a kernel for install/rescue disks or your system is very limited in memory.

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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