This adds the documentation for the extended crashkernel syntax into
Documentation/kernel-parameters.txt.


Signed-off-by: Bernhard Walle <bwalle@suse.de>

---
 Documentation/kernel-parameters.txt |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -498,6 +498,13 @@ and is between 256 and 4096 characters. 
 			[KNL] Reserve a chunk of physical memory to
 			hold a kernel to switch to with kexec on panic.
 
+	crashkernel=range1:size1[,range2:size2,...][@offset]
+			[KNL] Same as above, but depends on the memory
+			in the running system. The syntax of range is
+			start-[end] where start and end are both
+			a memory unit (amount[KMG]). See also
+			Documentation/kdump/kdump.txt for a example.
+
 	cs4232=		[HW,OSS]
 			Format: <io>,<irq>,<dma>,<dma2>,<mpuio>,<mpuirq>
 
-
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