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-rw-r--r--init/Kconfig31
1 files changed, 17 insertions, 14 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 9a7656f0b5ec..4381006dd666 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -273,21 +273,24 @@ config UID16
273 This enables the legacy 16-bit UID syscall wrappers. 273 This enables the legacy 16-bit UID syscall wrappers.
274 274
275config SYSCTL 275config SYSCTL
276 bool "Sysctl support" if EMBEDDED 276 bool
277 default y 277
278config SYSCTL_SYSCALL
279 bool "Sysctl syscall support"
280 default n
281 select SYSCTL
278 ---help--- 282 ---help---
279 The sysctl interface provides a means of dynamically changing 283 Enable the deprecated sysctl system call. sys_sysctl uses
280 certain kernel parameters and variables on the fly without requiring 284 binary paths that have been found to be a major pain to maintain
281 a recompile of the kernel or reboot of the system. The primary 285 and use. The interface in /proc/sys is now the primary and what
282 interface consists of a system call, but if you say Y to "/proc 286 everyone uses.
283 file system support", a tree of modifiable sysctl entries will be 287
284 generated beneath the /proc/sys directory. They are explained in the 288 Nothing has been using the binary sysctl interface for some time
285 files in <file:Documentation/sysctl/>. Note that enabling this 289 time now so nothing should break if you disable sysctl syscall
286 option will enlarge the kernel by at least 8 KB. 290 support, and you kernel will get marginally smaller.
287 291
288 As it is generally a good thing, you should say Y here unless 292 Unless you have an application that uses the sys_syscall interface
289 building a kernel for install/rescue disks or your system is very 293 you should probably say N here.
290 limited in memory.
291 294
292config KALLSYMS 295config KALLSYMS
293 bool "Load all symbols for debugging/kksymoops" if EMBEDDED 296 bool "Load all symbols for debugging/kksymoops" if EMBEDDED