Paul Mackerras <pau...@ozlabs.org> writes:
> On Tue, Feb 23, 2016 at 10:18:10AM +0530, Aneesh Kumar K.V wrote:
>> This patch make a copy of pgalloc routines for book3s. The idea is to
>> enable a hash64 copy of these pgalloc routines which can be later
>> updated to have a radix conditional. Radix introduce a new page table
>> format with different page table size.
>>
>> This mostly does:
>>
>> cp pgalloc-32.h book3s/32/pgalloc.h
>> cp pgalloc-64.h book3s/64/pgalloc.h
>
> What is the motivation for copying over the 32-bit header?
That was moved, because I was looking to consolidate all book3s headers
under book3s/ and wanted to move pgalloc-64.h to book3s.
>
> Regarding the 64-bit header, I don't see anything in it that will need
> to be changed for radix other than making P{G,U,M}D_INDEX_SIZE be
> variables rather than constants (and possibly have a lowercase name
> instead of uppercase). What other changes are you expecting to make?
>
I was taking the approach of conditional call rather than variables. Hence
moved them to 64/pgalloc.h so that we can add a static inline for those.
-aneesh
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