This option will slow down process creation somewhat.
-config STACK_BACKTRACE_COLS
- int "Stack backtraces per line" if DEBUG_KERNEL
- range 1 3
- default 2
- help
- Selects how many stack backtrace entries per line to display.
-
- This can save screen space when displaying traces.
-
comment "Page alloc debug is incompatible with Software Suspend on i386"
depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
config DEBUG_PAGEALLOC
- bool "Debug page memory allocations"
- depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND && !HUGETLBFS
+ bool "Page alloc debugging"
+ depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND
help
Unmap pages from the kernel linear mapping after free_pages().
This results in a large slowdown, but helps to find certain types
depends on X86_LOCAL_APIC && !X86_VISWS
default y
-config DOUBLEFAULT
- default y
- bool "Enable doublefault exception handler" if EMBEDDED
- depends on !X86_NO_TSS
- help
- This option allows trapping of rare doublefault exceptions that
- would otherwise cause a system to silently reboot. Disabling this
- option saves about 4k and might cause you much additional grey
- hair.
-
endmenu