Re: [PATCH 3/5] x86: Only direct map addresses that are marked asE820_RAM

From: H. Peter Anvin
Date: Sat Aug 25 2012 - 00:21:19 EST


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.

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