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"
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.
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_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
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