-
menu "Code maturity level options"
config EXPERIMENTAL
If unsure, say Y
-config STANDALONE
- bool "Select only drivers that don't need compile-time external firmware" if EXPERIMENTAL
- default y
- help
- Select this option if you don't have magic firmware for drivers that
- need it.
-
- If unsure, say Y.
-
config BROKEN
bool
depends on !CLEAN_COMPILE
depends on BROKEN || !SMP
default y
-endmenu
+config LOCK_KERNEL
+ bool
+ depends on SMP || PREEMPT
+ default y
+endmenu
menu "General setup"
+config LOCALVERSION
+ string "Local version - append to kernel release"
+ help
+ Append an extra string to the end of your kernel version.
+ This will show up when you type uname, for example.
+ The string you set here will be appended after the contents of
+ any files with a filename matching localversion* in your
+ object and source tree, in that order. Your total string can
+ be a maximum of 64 characters.
+
config SWAP
bool "Support for paging of anonymous memory (swap)"
depends on MMU
up to the user level program to do useful things with this
information. This is generally a good idea, so say Y.
+config BSD_PROCESS_ACCT_V3
+ bool "BSD Process Accounting version 3 file format"
+ depends on BSD_PROCESS_ACCT
+ default n
+ help
+ If you say Y here, the process accounting information is written
+ in a new file format that also logs the process IDs of each
+ process and it's parent. Note that this file format is incompatible
+ with previous v0/v1/v2 file formats, so you will need updated tools
+ for processing it. A preliminary version of these tools is available
+ at <http://www.physik3.uni-rostock.de/tim/kernel/utils/acct/>.
+
menu "Class Based Kernel Resource Management"
config CKRM
Say N if unsure
+config CKRM_RES_NULL
+ tristate "Null Tasks Resource Manager"
+ depends on CKRM_TYPE_TASKCLASS
+ default m
+ help
+ Provides a Null Resource Controller for CKRM that is purely for
+ demonstration purposes.
+
+ Say N if unsure, Y to use the feature.
+
config CKRM_RES_NUMTASKS
tristate "Number of Tasks Resource Manager"
depends on CKRM_TYPE_TASKCLASS
config CKRM_CPU_SCHEDULE
bool "CKRM CPU scheduler"
depends on CKRM_TYPE_TASKCLASS
- default m
+ default y
help
Use CKRM CPU scheduler instead of Linux Scheduler
Say N if unsure, Y to use the feature.
-config CKRM_CPU_MONITOR
- tristate "CKRM CPU Resoure Monitor"
- depends on CKRM_CPU_SCHEDULE
+config CKRM_RES_BLKIO
+ tristate " Disk I/O Resource Controller"
+ depends on CKRM_TYPE_TASKCLASS && IOSCHED_CFQ
default m
help
- Monitor CPU Resource Usage of the classes
+ Provides a resource controller for best-effort block I/O
+ bandwidth control. The controller attempts this by proportional
+ servicing of requests in the I/O scheduler. However, seek
+ optimizations and reordering by device drivers/disk controllers may
+ alter the actual bandwidth delivered to a class.
Say N if unsure, Y to use the feature.
+config CKRM_RES_MEM
+ bool "Class based physical memory controller"
+ default y
+ depends on CKRM
+ help
+ Provide the basic support for collecting physical memory usage information
+ among classes. Say Y if you want to know the memory usage of each class.
+
+config CKRM_MEM_LRUORDER_CHANGE
+ bool "Change the LRU ordering of scanned pages"
+ default n
+ depends on CKRM_RES_MEM
+ help
+ While trying to free pages, by default(n), scanned pages are left were they
+ are found if they belong to relatively under-used class. In this case the
+ LRU ordering of the memory subsystemis left intact. If this option is chosen,
+ then the scanned pages are moved to the tail of the list(active or inactive).
+ Changing this to yes reduces the checking overhead but violates the approximate
+ LRU order that is maintained by the paging subsystem.
+
+config CKRM_CPU_SCHEDULE_AT_BOOT
+ bool "Turn on at boot time"
+ depends on CKRM_CPU_SCHEDULE
+ default n
+ help
+ Enable CKRM CPU Scheduler at boot time. Otherwise
+ it can be turned on dynamically at runtime. If not
+ turned on the default Linux Scheduler behavior
+ will be obtained.
+
+ Say N if unsure, Y to use this feature
+
config CKRM_TYPE_SOCKETCLASS
bool "Class Manager for socket groups"
depends on CKRM
endmenu
-config BSD_PROCESS_ACCT_V3
- bool "BSD Process Accounting version 3 file format"
- depends on BSD_PROCESS_ACCT
- default n
- help
- If you say Y here, the process accounting information is written
- in a new file format that also logs the process IDs of each
- process and it's parent. Note that this file format is incompatible
- with previous v0/v1/v2 file formats, so you will need updated tools
- for processing it. A preliminary version of these tools is available
- at <http://http://www.de.kernel.org/pub/linux/utils/acct/>.
-
-
config SYSCTL
bool "Sysctl support"
---help---
config LOG_BUF_SHIFT
int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL
- range 12 20
+ range 12 21
default 17 if ARCH_S390
default 16 if X86_NUMAQ || IA64
default 15 if SMP
agent" (/sbin/hotplug) to load modules and set up software needed
to use devices as you hotplug them.
+config KOBJECT_UEVENT
+ bool "Kernel Userspace Events"
+ 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---
This option enables access to the kernel configuration file
through /proc/config.gz.
+config OOM_PANIC
+ bool "OOM Panic"
+ default y
+ ---help---
+ This option enables panic() to be called when a system is out of
+ memory. This feature along with /proc/sys/kernel/panic allows a
+ different behavior on out-of-memory conditions when the standard
+ behavior (killing processes in an attempt to recover) does not
+ make sense.
+
+ If unsure, say N.
+
+config OOM_KILL
+ bool
+ depends on !OOM_PANIC
+ default y
menuconfig EMBEDDED
bool "Configure standard kernel features (for small systems)"
Disabling this option will cause the kernel to be built without
support for epoll family of system calls.
-source "drivers/block/Kconfig.iosched"
-
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size"
default y if ARM || H8300
If unsure, say N.
+config SHMEM
+ default y
+ bool "Use full shmem filesystem" if EMBEDDED && MMU
+ help
+ The shmem is an internal filesystem used to manage shared memory.
+ It is backed by swap and manages resource limits. It is also exported
+ to userspace as tmpfs if TMPFS is enabled. Disabling this
+ option replaces shmem and tmpfs with the much simpler ramfs code,
+ which may be appropriate on small systems without swap.
+
+config CC_ALIGN_FUNCTIONS
+ int "Function alignment" if EMBEDDED
+ default 0
+ help
+ Align the start of functions to the next power-of-two greater than n,
+ skipping up to n bytes. For instance, 32 aligns functions
+ to the next 32-byte boundary, but 24 would align to the next
+ 32-byte boundary only if this can be done by skipping 23 bytes or less.
+ Zero means use compiler's default.
+
+config CC_ALIGN_LABELS
+ int "Label alignment" if EMBEDDED
+ default 0
+ help
+ Align all branch targets to a power-of-two boundary, skipping
+ up to n bytes like ALIGN_FUNCTIONS. This option can easily
+ make code slower, because it must insert dummy operations for
+ when the branch target is reached in the usual flow of the code.
+ Zero means use compiler's default.
+
+config CC_ALIGN_LOOPS
+ int "Loop alignment" if EMBEDDED
+ default 0
+ help
+ Align loops to a power-of-two boundary, skipping up to n bytes.
+ Zero means use compiler's default.
+
+config CC_ALIGN_JUMPS
+ int "Jump alignment" if EMBEDDED
+ default 0
+ help
+ Align branch targets to a power-of-two boundary, for branch
+ targets where the targets can only be reached by jumping,
+ skipping up to n bytes like ALIGN_FUNCTIONS. In this case,
+ no dummy operations need be executed.
+ Zero means use compiler's default.
+
endmenu # General setup
+config TINY_SHMEM
+ default !SHMEM
+ bool
menu "Loadable module support"
make them incompatible with the kernel you are running. If
unsure, say N.
+config MODULE_SRCVERSION_ALL
+ bool "Source checksum for all modules"
+ depends on MODULES
+ help
+ Modules which contain a MODULE_VERSION get an extra "srcversion"
+ field inserted into their modinfo section, which contains a
+ sum of the source files which made it. This helps maintainers
+ see exactly which source was used to build a module (since
+ others sometimes change the module source without updating
+ the version). With this option, such a "srcversion" field
+ will be created for all modules. If unsure, say N.
+
config MODULE_SIG
bool "Module signature verification (EXPERIMENTAL)"
depends on MODULES && EXPERIMENTAL
+ select CRYPTO
select CRYPTO_SHA1
select CRYPTO_SIGNATURE
help
git://git.onelab.eu / linux-2.6.git / blobdiff