Messages in this thread | | | Date | Fri, 24 Aug 2012 21:21:18 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 3/5] x86: Only direct map addresses that are marked as E820_RAM |
| |
On 08/24/2012 09:20 PM, Jacob Shin wrote: >> >> What is the benefit? > > So that in the case where we have E820_RAM right above 1MB, we don't > call init_memory_mapping twice, first on 0 ~ 1MB and then 1MB ~ something > > we only call it once. 0 ~ something. >
So what is the benefit?
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
| |