diff options
| author | Randy Dunlap <randy.dunlap@oracle.com> | 2007-10-16 23:31:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:43:06 -0700 |
| commit | f00b51654ec919620aec911b4c3fa4ef3952bb6d (patch) | |
| tree | b7987d30e0cd7beaf9d7d9f114fe2c899563cb87 /arch/i386 | |
| parent | 8bc9d4227f056f8ff435910b5582d0ec3243848e (diff) | |
| download | linux-f00b51654ec919620aec911b4c3fa4ef3952bb6d.tar.bz2 | |
Update help text for CONFIG_CRASH_DUMP
Fix typos in CONFIG_RELOCATABLE. Use tab + 2 spaces for indentation on all
lines.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Bernhard Walle <bwalle@suse.de>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/Kconfig | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 1fb616235664..7a95c58947e4 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -831,12 +831,13 @@ config CRASH_DUMP depends on HIGHMEM help Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels + 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. + to a memory address not used by the main kernel or BIOS using + PHYSICAL_START, or it must be built as a relocatable image + (CONFIG_RELOCATABLE=y). For more details see Documentation/kdump/kdump.txt config PHYSICAL_START @@ -882,17 +883,17 @@ config PHYSICAL_START Don't change this unless you know what you are doing. config RELOCATABLE - bool "Build a relocatable kernel(EXPERIMENTAL)" + bool "Build a relocatable kernel (EXPERIMENTAL)" depends on EXPERIMENTAL help This builds a kernel image that retains relocation information - so it can be loaded someplace besides the default 1MB. + so it can be loaded someplace besides the default 1MB. The relocations tend to make the kernel binary about 10% larger, - but are discarded at runtime. + but are discarded at runtime. One use is for the kexec on panic case where the recovery kernel - must live at a different physical address than the primary - kernel. + must live at a different physical address than the primary + kernel. config PHYSICAL_ALIGN hex "Alignment value to which kernel should be aligned" |