diff options
Diffstat (limited to 'arch/x86_64/Kconfig')
| -rw-r--r-- | arch/x86_64/Kconfig | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index cf013cb85ea4..d681be88ae5d 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -409,6 +409,7 @@ config ARCH_DISCONTIGMEM_DEFAULT config ARCH_SPARSEMEM_ENABLE def_bool y depends on (NUMA || EXPERIMENTAL) + select SPARSEMEM_VMEMMAP_ENABLE config ARCH_MEMORY_PROBE def_bool y @@ -581,17 +582,18 @@ config CRASH_DUMP bool "kernel crash dumps (EXPERIMENTAL)" depends on EXPERIMENTAL help - Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels - which are loaded in the main kernel with kexec-tools into - a specially reserved region and then later executed after - a crash by kdump/kexec. The crash dump kernel must be compiled + Generate crash dump after being started by kexec. + This should be normally only set in special crash dump kernels + which are loaded in the main kernel with kexec-tools into + a specially reserved region and then later executed after + a crash by kdump/kexec. The crash dump kernel must be compiled to a memory address not used by the main kernel or BIOS using - PHYSICAL_START. - For more details see Documentation/kdump/kdump.txt + PHYSICAL_START, or it must be built as a relocatable image + (CONFIG_RELOCATABLE=y). + For more details see Documentation/kdump/kdump.txt config RELOCATABLE - bool "Build a relocatable kernel(EXPERIMENTAL)" + bool "Build a relocatable kernel (EXPERIMENTAL)" depends on EXPERIMENTAL help Builds a relocatable kernel. This enables loading and running @@ -602,8 +604,8 @@ config RELOCATABLE must live at a different physical address than the primary kernel. - Note: If CONFIG_RELOCATABLE=y, then kernel run from the address - it has been loaded at and compile time physical address + Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address + it has been loaded at and the compile time physical address (CONFIG_PHYSICAL_START) is ignored. config PHYSICAL_START @@ -795,7 +797,6 @@ source "drivers/firmware/Kconfig" source fs/Kconfig menu "Instrumentation Support" - depends on EXPERIMENTAL source "arch/x86/oprofile/Kconfig" |
