depends on BROKEN || !SMP
default y
-config LOCK_KERNEL
- bool
- depends on (SMP || PREEMPT) && BKL
- default y
-
config INIT_ENV_ARG_LIMIT
int
default 32 if !UML
for processing it. A preliminary version of these tools is available
at <http://www.gnu.org/software/acct/>.
+config FHANDLE
+ bool "open by fhandle syscalls"
+ select EXPORTFS
+ help
+ If you say Y here, a user level program will be able to map
+ file names to handle and then later use the handle for
+ different file system operations. This is useful in implementing
+ userspace file servers, which now track files using handles instead
+ of names. The handle would remain the same even if file names
+ get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2)
+ syscalls.
+
config TASKSTATS
bool "Export task/process statistics through netlink (EXPERIMENTAL)"
depends on NET
select this option (if, for some reason, they need to disable it
then noswapaccount does the trick).
+config CGROUP_PERF
+ bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
+ depends on PERF_EVENTS && CGROUPS
+ help
+ This option extends the per-cpu mode to restrict monitoring to
+ threads which belong to the cgroup specified and run on the
+ designated cpu.
+
+ Say N if unsure.
+
menuconfig CGROUP_SCHED
bool "Group CPU scheduler"
depends on EXPERIMENTAL
This option only enables generic Block IO controller infrastructure.
One needs to also enable actual IO controlling logic/policy. For
- enabling proportional weight division of disk bandwidth in CFQ seti
- CONFIG_CFQ_GROUP_IOSCHED=y and for enabling throttling policy set
- CONFIG_BLK_THROTTLE=y.
+ enabling proportional weight division of disk bandwidth in CFQ, set
+ CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
+ CONFIG_BLK_DEV_THROTTLING=y.
See Documentation/cgroups/blkio-controller.txt for more information.
bool
config SYSFS_DEPRECATED
- bool "enable deprecated sysfs features to support old userspace tools"
+ bool "Enable deprecated sysfs features to support old userspace tools"
depends on SYSFS
default n
help
need to say Y here.
config SYSFS_DEPRECATED_V2
- bool "enabled deprecated sysfs features by default"
+ bool "Enable deprecated sysfs features by default"
default n
depends on SYSFS
depends on SYSFS_DEPRECATED
environments which can tolerate a "non-standard" kernel.
Only use this if you really know what you are doing.
-config EMBEDDED
- bool "Embedded system"
- select EXPERT
- help
- This option should be enabled if compiling the kernel for
- an embedded system so certain expert options are available
- for configuration.
-
config UID16
bool "Enable 16-bit UID system calls" if EXPERT
depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION)
by some high performance threaded applications. Disabling
this option saves about 7k.
+config EMBEDDED
+ bool "Embedded system"
+ select EXPERT
+ help
+ This option should be enabled if compiling the kernel for
+ an embedded system so certain expert options are available
+ for configuration.
+
config HAVE_PERF_EVENTS
bool
help
per cpu and per node queues.
config SLUB
+ depends on BROKEN || NUMA || !DISCONTIGMEM
bool "SLUB (Unqueued Allocator)"
help
SLUB is a slab allocator that minimizes cache line usage