config KERNEL_BUILD_USER
string "Custom Kernel Build User Name"
+ default "builder" if BUILDBOT
default ""
help
Sets the Kernel build user string, which for example will be returned
config KERNEL_BUILD_DOMAIN
string "Custom Kernel Build Domain Name"
+ default "buildhost" if BUILDBOT
default ""
help
Sets the Kernel build domain string, which for example will be
config KERNEL_SWAP
bool "Support for paging of anonymous memory (swap)"
- default y
+ default y if !SMALL_FLASH
config KERNEL_DEBUG_FS
bool "Compile the kernel with debug filesystem enabled"
config KERNEL_ARM_PMU
bool
default n
- depends on (arm || arm64)
+ depends on (arm || aarch64)
config KERNEL_PERF_EVENTS
bool "Compile the kernel with performance events and counters"
default n
- select KERNEL_ARM_PMU if (arm || arm64)
+ select KERNEL_ARM_PMU if (arm || aarch64)
config KERNEL_PROFILING
bool "Compile the kernel with profiling enabled"
Enable the extended profiling support mechanisms used by profilers such
as OProfile.
+config KERNEL_TASKSTATS
+ bool "Compile the kernel with task resource/io statistics and accounting"
+ default n
+ help
+ Enable the collection and publishing of task/io statistics and
+ accounting. Enable this option to enable i/o monitoring in system
+ monitors.
+
+if KERNEL_TASKSTATS
+
+ config KERNEL_TASK_DELAY_ACCT
+ def_bool y
+
+ config KERNEL_TASK_IO_ACCOUNTING
+ def_bool y
+
+ config KERNEL_TASK_XACCT
+ def_bool y
+
+endif
+
config KERNEL_KALLSYMS
bool "Compile the kernel with symbol table information"
default y if !SMALL_FLASH
config KERNEL_DEBUG_INFO
bool "Compile the kernel with debug information"
- default y
+ default y if !SMALL_FLASH
select KERNEL_DEBUG_KERNEL
help
This will compile your kernel and modules with debug information.
bool
default y if KERNEL_KPROBES
+config KERNEL_KPROBE_EVENTS
+ bool
+ default y if KERNEL_KPROBES
+
config KERNEL_AIO
bool "Compile the kernel with asynchronous IO support"
- default n
+ default y if !SMALL_FLASH
config KERNEL_FHANDLE
bool "Compile the kernel with support for fhandle syscalls"
- default n
+ default y if !SMALL_FLASH
config KERNEL_FANOTIFY
bool "Compile the kernel with modern file notification support"
- default n
+ default y if !SMALL_FLASH
config KERNEL_BLK_DEV_BSG
bool "Compile the kernel with SCSI generic v4 support for any block device"
config KERNEL_ELF_CORE
bool "Enable process core dump support"
select KERNEL_COREDUMP
- default y
+ default y if !SMALL_FLASH
config KERNEL_PROVE_LOCKING
bool "Enable kernel lock checking"
config KERNEL_CGROUPS
bool "Enable kernel cgroups"
- default n
+ default y if !SMALL_FLASH
if KERNEL_CGROUPS
config KERNEL_CPUSETS
bool "Cpuset support"
- default n
+ default y if !SMALL_FLASH
help
This option will let you create and manage CPUSETs which
allow dynamically partitioning a system into sets of CPUs and
config KERNEL_CGROUP_CPUACCT
bool "Simple CPU accounting cgroup subsystem"
- default n
+ default y if !SMALL_FLASH
help
Provides a simple Resource Controller for monitoring the
total CPU consumed by the tasks in a cgroup.
config KERNEL_RESOURCE_COUNTERS
bool "Resource counters"
- default n
+ default y if !SMALL_FLASH
help
This option enables controller independent resource accounting
infrastructure that works with cgroups.
config KERNEL_MEMCG
bool "Memory Resource Controller for Control Groups"
- default n
+ default y if !SMALL_FLASH
depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18
help
Provides a memory resource controller that manages both anonymous
config KERNEL_MEMCG_KMEM
bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
- default n
+ default y if !SMALL_FLASH
depends on KERNEL_MEMCG
help
The Kernel Memory extension for Memory Resource Controller can limit
menuconfig KERNEL_CGROUP_SCHED
bool "Group CPU scheduler"
- default n
+ default y if !SMALL_FLASH
help
This feature lets CPU scheduler recognize task groups and control CPU
bandwidth allocation to such task groups. It uses cgroups to group
config KERNEL_FAIR_GROUP_SCHED
bool "Group scheduling for SCHED_OTHER"
- default n
+ default y if !SMALL_FLASH
config KERNEL_CFS_BANDWIDTH
bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
config KERNEL_RT_GROUP_SCHED
bool "Group scheduling for SCHED_RR/FIFO"
- default n
+ default y if !SMALL_FLASH
help
This feature lets you explicitly allocate real CPU bandwidth
to task groups. If enabled, it will also make it impossible to
CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
CONFIG_BLK_DEV_THROTTLING=y.
+ if KERNEL_BLK_CGROUP
+
+ config KERNEL_CFQ_GROUP_IOSCHED
+ bool "Proportional weight of disk bandwidth in CFQ"
+
+ config KERNEL_BLK_DEV_THROTTLING
+ bool "Enable throttling policy"
+ default y if TARGET_brcm2708
+
+ config KERNEL_BLK_DEV_THROTTLING_LOW
+ bool "Block throttling .low limit interface support (EXPERIMENTAL)"
+ depends on KERNEL_BLK_DEV_THROTTLING
+ endif
+
config KERNEL_DEBUG_BLK_CGROUP
bool "Enable Block IO controller debugging"
default n
config KERNEL_NAMESPACES
bool "Enable kernel namespaces"
- default n
+ default y if !SMALL_FLASH
if KERNEL_NAMESPACES
config KERNEL_LXC_MISC
bool "Enable miscellaneous LXC related options"
- default n
+ default y if !SMALL_FLASH
if KERNEL_LXC_MISC
config KERNEL_SECCOMP_FILTER
bool
- default n
+ default y if !SMALL_FLASH
config KERNEL_SECCOMP
bool "Enable seccomp support"
depends on !(TARGET_uml)
select KERNEL_SECCOMP_FILTER
- default n
+ default y if !SMALL_FLASH
help
Build kernel with support for seccomp.
Say Y here if you want to support the /dev/kmem device. The
/dev/kmem device is rarely used, but can be used for certain
kind of kernel debugging operations.
+
+config KERNEL_SQUASHFS_FRAGMENT_CACHE_SIZE
+ int "Number of squashfs fragments cached"
+ default 2 if (SMALL_FLASH && !LOW_MEMORY_FOOTPRINT)
+ default 3
+
+#
+# compile optimiziation setting
+#
+choice
+ prompt "Compiler optimization level"
+ default KERNEL_CC_OPTIMIZE_FOR_SIZE if SMALL_FLASH
+
+config KERNEL_CC_OPTIMIZE_FOR_PERFORMANCE
+ bool "Optimize for performance"
+ help
+ This is the default optimization level for the kernel, building
+ with the "-O2" compiler flag for best performance and most
+ helpful compile-time warnings.
+
+config KERNEL_CC_OPTIMIZE_FOR_SIZE
+ bool "Optimize for size"
+ help
+ Enabling this option will pass "-Os" instead of "-O2" to
+ your compiler resulting in a smaller kernel.
+
+endchoice
projects / openwrt / staging / stintel.git / blobdiff