config KERNEL_CRASHLOG
bool "Crash logging"
- depends on !(arm || powerpc || sparc || TARGET_uml)
+ depends on !(arm || powerpc || sparc || TARGET_uml || i386 || x86_64)
default y
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"
write to these files. Many common debugging facilities, such as
ftrace, require the existence of debugfs.
+config KERNEL_MIPS_FPU_EMULATOR
+ bool "Compile the kernel with MIPS FPU Emulator"
+ default y if TARGET_pistachio
+ depends on (mips || mipsel || mips64 || mips64el)
+
config KERNEL_ARM_PMU
bool
default n
- depends on (arm || arm64)
+ depends on (arm || aarch64)
config KERNEL_PERF_EVENTS
- bool
+ 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 "Compile the kernel with asynchronous IO support"
default n
-config KERNEL_DIRECT_IO
- bool "Compile the kernel with direct IO support"
- default n
-
config KERNEL_FHANDLE
bool "Compile the kernel with support for fhandle syscalls"
default n
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_KEXEC
bool "Enable kexec support"
+config KERNEL_PROC_VMCORE
+ bool
+
+config KERNEL_CRASH_DUMP
+ depends on i386 || x86_64 || arm || armeb
+ select KERNEL_KEXEC
+ select KERNEL_PROC_VMCORE
+ bool "Enable support for kexec crashdump"
+ default y
+
config USE_RFKILL
bool "Enable rfkill support"
default RFKILL_SUPPORT
default n
help
devtmpfs is a simple, kernel-managed /dev filesystem. The kernel creates
- devices nodes for all registered devices ti simplify boot, but leaves more
+ devices nodes for all registered devices to simplify boot, but leaves more
complex tasks to userspace (e.g. udev).
if KERNEL_DEVTMPFS
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
help
Build kernel with support for seccomp.
+#
+# IPv4 configuration
+#
+
+config KERNEL_IP_MROUTE
+ bool "Enable IPv4 multicast routing"
+ default y
+ help
+ Multicast routing requires a multicast routing daemon in
+ addition to kernel support.
+
#
# IPv6 configuration
#
def_bool y
config KERNEL_IPV6_MROUTE
- def_bool y
+ bool "Enable IPv6 multicast routing"
+ default y
+ help
+ Multicast routing requires a multicast routing daemon in
+ addition to kernel support.
config KERNEL_IPV6_PIMSM_V2
def_bool n
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 / openwrt.git / blobdiff