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    Subject[PATCH 7/7] Add documentation for extra boot parameters
    Date

    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 <mel@csn.ul.ie>
    diff -rup -X /usr/src/patchset-0.5/bin//dontdiff linux-2.6.16-rc3-mm1-107_hugetlb_use_easyrclm/Documentation/kernel-parameters.txt linux-2.6.16-rc3-mm1-108_docs/Documentation/kernel-parameters.txt
    --- linux-2.6.16-rc3-mm1-107_hugetlb_use_easyrclm/Documentation/kernel-parameters.txt 2006-02-16 09:50:42.000000000 +0000
    +++ linux-2.6.16-rc3-mm1-108_docs/Documentation/kernel-parameters.txt 2006-02-17 09:45:49.000000000 +0000
    @@ -704,6 +704,16 @@ running once the system is up.
    js= [HW,JOY] Analog joystick
    See Documentation/input/joystick.txt.

    + kernelcore=nn[KMG] [KNL,IA-32,PPC] On the x86 and ppc64, this
    + parameter specifies the amount of memory usable
    + by the kernel and places the rest in an EasyRclm
    + zone. 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
    @@ -1006,6 +1016,16 @@ running once the system is up.

    nodisconnect [HW,SCSI,M68K] Disables SCSI disconnects.

    + noeasyrclm [IA-32,PPC] If kernelcore= is specified, the default
    + zone to add memory to for IA-32 and PPC is EasyRclm. If
    + this is undesirable, noeasyrclm can be specified to
    + force the adding of memory on IA-32 to ZONE_HIGHMEM
    + and to ZONE_DMA on PPC. This is desirable when the
    + EasyRclm zone is setup as a "soft" area for HugeTLB
    + pages to be allocated from to give the chance for
    + administrators to grow the reserved number of Huge
    + pages when the system has been running for some time.
    +
    noexec [IA-64]

    noexec [IA-32,X86-64]
    -
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