Messages in this thread | | | Date | Thu, 11 Oct 2012 18:39:49 +0800 | From | Wen Congyang <> | Subject | Re: [RESEND PATCH v2 1/2] update mem= option's spec |
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Hi, HPA
When do you have time to review this patchset?
Thanks Wen Congyang
At 10/11/2012 06:38 PM, wency@cn.fujitsu.com Wrote: > 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 a92c5eb..924b1a4 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -1471,9 +1471,10 @@ 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.
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