diff options
Diffstat (limited to 'arch/i386/Kconfig')
-rw-r--r-- | arch/i386/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c134a545b37e..e34a4dbd6b92 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig | |||
@@ -761,6 +761,13 @@ config CRASH_DUMP | |||
761 | depends on HIGHMEM | 761 | depends on HIGHMEM |
762 | help | 762 | help |
763 | Generate crash dump after being started by kexec. | 763 | Generate crash dump after being started by kexec. |
764 | This should be normally only set in special crash dump kernels | ||
765 | which are loaded in the main kernel with kexec-tools into | ||
766 | a specially reserved region and then later executed after | ||
767 | a crash by kdump/kexec. The crash dump kernel must be compiled | ||
768 | to a memory address not used by the main kernel or BIOS using | ||
769 | PHYSICAL_START. | ||
770 | For more details see Documentation/kdump/kdump.txt | ||
764 | 771 | ||
765 | config PHYSICAL_START | 772 | config PHYSICAL_START |
766 | hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) | 773 | hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) |