On Wed, Aug 29, 2012 at 12:04 PM, Jacob Shin <jacob.s...@amd.com> wrote:
> Update code that previously assumed pfns [ 0 - max_low_pfn_mapped ) and
> [ 4GB - max_pfn_mapped ) were always direct mapped, to now look up
> pfn_mapped ranges instead.
please swap patch 5 and patch 4 applying sequence.
aka.
should have
[PATCH 4/6] x86:Fixup code testing if a pfn is direct mapped
and it should have dummy function
bool pfn_range_is_mapped(u64 start_pfn, u64 end_pfn)
{
return end_pfn <= max_low_pfn_mapped
|| (end_pfn > (1UL << (32 - PAGE_SHIFT))
&& end_pfn <= max_pfn_mapped);
}
and
[PATCH 5/6] x86: Only direct map addresses that are marked as E820_RAM
will update pfn_range_is_mapped accordingly.
Thanks
Yinghai
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