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>
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Linus Torvalds
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@@ -831,12 +831,13 @@ config CRASH_DUMP
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depends on HIGHMEM
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depends on HIGHMEM
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help
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help
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Generate crash dump after being started by kexec.
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Generate crash dump after being started by kexec.
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This should be normally only set in special crash dump kernels
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This should be normally only set in special crash dump kernels
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which are loaded in the main kernel with kexec-tools into
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which are loaded in the main kernel with kexec-tools into
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a specially reserved region and then later executed after
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a specially reserved region and then later executed after
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a crash by kdump/kexec. The crash dump kernel must be compiled
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a crash by kdump/kexec. The crash dump kernel must be compiled
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to a memory address not used by the main kernel or BIOS using
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to a memory address not used by the main kernel or BIOS using
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PHYSICAL_START.
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PHYSICAL_START, or it must be built as a relocatable image
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(CONFIG_RELOCATABLE=y).
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For more details see Documentation/kdump/kdump.txt
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For more details see Documentation/kdump/kdump.txt
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config PHYSICAL_START
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config PHYSICAL_START
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@@ -882,17 +883,17 @@ config PHYSICAL_START
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Don't change this unless you know what you are doing.
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Don't change this unless you know what you are doing.
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config RELOCATABLE
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config RELOCATABLE
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bool "Build a relocatable kernel(EXPERIMENTAL)"
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bool "Build a relocatable kernel (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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depends on EXPERIMENTAL
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help
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help
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This builds a kernel image that retains relocation information
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This builds a kernel image that retains relocation information
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so it can be loaded someplace besides the default 1MB.
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so it can be loaded someplace besides the default 1MB.
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The relocations tend to make the kernel binary about 10% larger,
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The relocations tend to make the kernel binary about 10% larger,
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but are discarded at runtime.
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but are discarded at runtime.
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One use is for the kexec on panic case where the recovery kernel
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One use is for the kexec on panic case where the recovery kernel
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must live at a different physical address than the primary
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must live at a different physical address than the primary
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kernel.
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kernel.
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config PHYSICAL_ALIGN
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config PHYSICAL_ALIGN
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hex "Alignment value to which kernel should be aligned"
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hex "Alignment value to which kernel should be aligned"
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@@ -582,17 +582,18 @@ config CRASH_DUMP
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bool "kernel crash dumps (EXPERIMENTAL)"
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bool "kernel crash dumps (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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depends on EXPERIMENTAL
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help
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help
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Generate crash dump after being started by kexec.
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Generate crash dump after being started by kexec.
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This should be normally only set in special crash dump kernels
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This should be normally only set in special crash dump kernels
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which are loaded in the main kernel with kexec-tools into
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which are loaded in the main kernel with kexec-tools into
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a specially reserved region and then later executed after
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a specially reserved region and then later executed after
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a crash by kdump/kexec. The crash dump kernel must be compiled
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a crash by kdump/kexec. The crash dump kernel must be compiled
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to a memory address not used by the main kernel or BIOS using
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to a memory address not used by the main kernel or BIOS using
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PHYSICAL_START.
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PHYSICAL_START, or it must be built as a relocatable image
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For more details see Documentation/kdump/kdump.txt
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(CONFIG_RELOCATABLE=y).
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For more details see Documentation/kdump/kdump.txt
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config RELOCATABLE
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config RELOCATABLE
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bool "Build a relocatable kernel(EXPERIMENTAL)"
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bool "Build a relocatable kernel (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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depends on EXPERIMENTAL
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help
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help
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Builds a relocatable kernel. This enables loading and running
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Builds a relocatable kernel. This enables loading and running
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@@ -603,8 +604,8 @@ config RELOCATABLE
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must live at a different physical address than the primary
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must live at a different physical address than the primary
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kernel.
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kernel.
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Note: If CONFIG_RELOCATABLE=y, then kernel run from the address
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Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address
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it has been loaded at and compile time physical address
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it has been loaded at and the compile time physical address
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(CONFIG_PHYSICAL_START) is ignored.
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(CONFIG_PHYSICAL_START) is ignored.
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config PHYSICAL_START
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config PHYSICAL_START
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