diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 79 |
1 files changed, 48 insertions, 31 deletions
diff --git a/init/Kconfig b/init/Kconfig index 9fc0759fa9421a..25f4d74adf7ed4 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -105,7 +105,6 @@ config SWAP config SYSVIPC bool "System V IPC" - depends on MMU ---help--- Inter Process Communication is a suite of library functions and system calls which let processes (running programs) synchronize and @@ -190,40 +189,13 @@ config AUDIT config AUDITSYSCALL bool "Enable system-call auditing support" - depends on AUDIT && (X86 || PPC || PPC64 || ARCH_S390 || IA64 || UML || SPARC64) + depends on AUDIT && (X86 || PPC || PPC64 || S390 || IA64 || UML || SPARC64) default y if SECURITY_SELINUX help Enable low-overhead system-call auditing infrastructure that can be used independently or with another kernel subsystem, such as SELinux. -config HOTPLUG - bool "Support for hot-pluggable devices" if !ARCH_S390 - default ARCH_S390 - help - This option is provided for the case where no in-kernel-tree - modules require HOTPLUG functionality, but a module built - outside the kernel tree does. Such modules require Y here. - -config KOBJECT_UEVENT - bool "Kernel Userspace Events" if EMBEDDED - depends on NET - default y - help - This option enables the kernel userspace event layer, which is a - simple mechanism for kernel-to-user communication over a netlink - socket. - The goal of the kernel userspace events layer is to provide a simple - and efficient events system, that notifies userspace about kobject - state changes. This will enable applications to just listen for - events instead of polling system devices and files. - Hotplug events (kobject addition and removal) are also available on - the netlink socket in addition to the execution of /sbin/hotplug if - CONFIG_HOTPLUG is enabled. - - Say Y, unless you are building a system requiring minimal memory - consumption. - config IKCONFIG bool "Kernel .config support" ---help--- @@ -256,6 +228,23 @@ config CPUSETS source "usr/Kconfig" +config UID16 + bool "Enable 16-bit UID system calls" if EMBEDDED + depends on ARM || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION) + default y + help + This enables the legacy 16-bit UID syscall wrappers. + +config VM86 + depends X86 + default y + bool "Enable VM86 support" if EMBEDDED + help + This option is required by programs like DOSEMU to run 16-bit legacy + code on X86 processors. It also may be needed by software like + XFree86 to initialize some video cards via BIOS. Disabling this + option saves about 6k. + config CC_OPTIMIZE_FOR_SIZE bool "Optimize for size (Look out for broken compilers!)" default y @@ -308,6 +297,15 @@ config KALLSYMS_EXTRA_PASS you wait for kallsyms to be fixed. +config HOTPLUG + bool "Support for hot-pluggable devices" if EMBEDDED + default y + help + This option is provided for the case where no hotplug or uevent + capabilities is wanted by the kernel. You should only consider + disabling this option for embedded systems that do not use modules, a + dynamic /dev tree, or dynamic device discovery. Just say Y. + config PRINTK default y bool "Enable support for printk" if EMBEDDED @@ -328,6 +326,12 @@ config BUG option for embedded systems with no facilities for reporting errors. Just say Y. +config ELF_CORE + default y + bool "Enable ELF core dumps" if EMBEDDED + help + Enable support for generating core dumps. Disabling saves about 4k. + config BASE_FULL default y bool "Enable full-sized data structures for core" if EMBEDDED @@ -399,6 +403,15 @@ config CC_ALIGN_JUMPS no dummy operations need be executed. Zero means use compiler's default. +config SLAB + default y + bool "Use full SLAB allocator" if EMBEDDED + help + Disabling this replaces the advanced SLAB allocator and + kmalloc support with the drastically simpler SLOB allocator. + SLOB is more space efficient but does not scale well and is + more susceptible to fragmentation. + endmenu # General setup config TINY_SHMEM @@ -410,6 +423,10 @@ config BASE_SMALL default 0 if BASE_FULL default 1 if !BASE_FULL +config SLOB + default !SLAB + bool + menu "Loadable module support" config MODULES @@ -461,8 +478,8 @@ config OBSOLETE_MODPARM If unsure, say Y. config MODVERSIONS - bool "Module versioning support (EXPERIMENTAL)" - depends on MODULES && EXPERIMENTAL + bool "Module versioning support" + depends on MODULES help Usually, you have to use modules compiled with your kernel. Saying Y here makes it sometimes possible to use modules |