Re: [PATCH 5/5] x86: Move enabling of PSE and PGE out ofinit_memory_mapping

[Tejun Heo]

Hello,

On Tue, Aug 14, 2012 at 02:52:48PM -0500, Jacob Shin wrote:
> > You mean pagetable_reserve() right?
> 
> This is actually needed on every call to init_memory_mapping(),
> 
> My patch 2/5 changes find_early_table_space() to find just enough space
> to map start to end. The pagetable_reserve() will then reserve what we
> actually used. Since init_memory_mapping() is called again and again
> with different start to end ranges, we find space for the page tables
> and reserve them every time.

I thought the function was rebuilding pagetable for the whole memory
area each time.  Maybe I misread.  Does it only build the part which
is newly being mapped?

Thanks.

-- 
tejun
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