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Documentation/admin-guide: mark memmap parameter is supported by a few architectures

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early_param memmap is only implemented on X86, MIPS and XTENSA. To avoid
wasting users’ time on trying this on platform like ARM, mark it clearly.

Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/20201128195121.2556-1-song.bao.hua@hisilicon.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Barry Song 2020-11-29 08:51:21 +13:00 committed by Jonathan Corbet
parent 1a37e18bd4
commit 4c8e3de4b3
2 changed files with 2 additions and 1 deletions
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1
Documentation/admin-guide/kernel-parameters.rst
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@ -172,6 +172,7 @@ parameter is applicable::
X86 Either 32-bit or 64-bit x86 (same as X86-32+X86-64)
X86_UV SGI UV support is enabled.
XEN Xen support is enabled
XTENSA xtensa architecture is enabled.
In addition, the following text indicates that the option::

2
Documentation/admin-guide/kernel-parameters.txt
View File

@ -2709,7 +2709,7 @@
option description.
memmap=nn[KMG]@ss[KMG]
[KNL] Force usage of a specific region of memory.
[KNL, X86, MIPS, XTENSA] Force usage of a specific region of memory.
Region of memory to be used is from ss to ss+nn.
If @ss[KMG] is omitted, it is equivalent to mem=nn[KMG],
which limits max address to nn[KMG].