Messages in this thread Patch in this message | | | From | wency@cn ... | Subject | [RESEND PATCH v2 1/2] update mem= option's spec according to its implementation | Date | Fri, 19 Oct 2012 18:16:16 +0800 |
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From: Wen Congyang <wency@cn.fujitsu.com>
Current mem= implementation seems buggy because specification and implementation doesn't match. Current mem= has been working for many years and it's not buggy, it works as expected. So we should update the specification.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Sort-of-tentatively-acked-by: Rob Landley <rob@landley.net> --- Documentation/kernel-parameters.txt | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 9776f06..85b911a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1481,9 +1481,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. mem=nn[KMG] [KNL,BOOT] Force usage of a specific amount of memory Amount of memory to be used when the kernel is not able to see the whole system memory or for test. - [X86-32] Use together with memmap= to avoid physical - address space collisions. Without memmap= PCI devices - could be placed at addresses belonging to unused RAM. + [X86-32] Work as limiting max address. Use together + with memmap= to avoid physical address space collisions. + Without memmap= PCI devices could be placed at addresses + belonging to unused RAM. mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel memory. -- 1.7.1
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