Messages in this thread | | | Date | Fri, 21 Dec 2012 19:25:53 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v7 24/27] x86: Add swiotlb force off support |
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On 12/21/2012 07:23 PM, Eric W. Biederman wrote: > > In this case YH has been working on the case of loading a kernel > completely above 4G, and apparently he has also been testing the case of > running a kernel with no memory below 4G. >
It is worth noting that we cannot run with *no* memory below 4G -- it is not possible to run SMP at least without some memory below the 1M mark.
-hpa
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