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Subject[PATCH 8/8] Add documentation for extra boot parameters

Once all patches are applied, two new command-line parameters exist -
kernelcore and noeasyrclm. This patch adds the necessary documentation.

Signed-off-by: Mel Gorman <>
diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.17-rc3-mm1-zonesizing-107_hugetlb_use_easyrclm/Documentation/kernel-parameters.txt linux-2.6.17-rc3-mm1-zonesizing-108_docs/Documentation/kernel-parameters.txt
--- linux-2.6.17-rc3-mm1-zonesizing-107_hugetlb_use_easyrclm/Documentation/kernel-parameters.txt 2006-05-03 09:41:30.000000000 +0100
+++ linux-2.6.17-rc3-mm1-zonesizing-108_docs/Documentation/kernel-parameters.txt 2006-05-03 09:51:12.000000000 +0100
@@ -724,6 +724,22 @@ running once the system is up.
js= [HW,JOY] Analog joystick
See Documentation/input/joystick.txt.

+ kernelcore=nn[KMG] [KNL,IA-32,IA-64,PPC,X86-64] This parameter
+ specifies the amount of memory usable by the kernel.
+ The requested amount is spread evenly throughout
+ all nodes in the system. The remaining memory
+ in each node is used for EasyRclm pages. In the
+ event, a node is too small to have both kernelcore
+ and EasyRclm pages, kernelcore pages will take
+ priority and other nodes will have a larger
+ number of kernelcore pages. The EasyRclm zone
+ is used for the allocation of pages on behalf
+ of a process and for HugeTLB pages. On ppc64,
+ it is likely that memory sections on this zone
+ can be offlined. Note that allocations like
+ PTEs-from-HighMem still use the HighMem zone if
+ it exists, and the Normal zone if it does not.
keepinitrd [HW,ARM]

kstack=N [IA-32,X86-64] Print N words from the kernel stack
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