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powerpc/mm: Move THP headers around

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We support THP only with book3s_64 and 64K page size. Move
THP details to hash64-64k.h to clarify the same.

Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V
2015-12-01 09:06:53 +05:30
committed by Michael Ellerman
parent 26a344aea4
commit e34aa03ca4
6 changed files with 201 additions and 423 deletions
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2
arch/powerpc/mm/pgtable_64.c
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@@ -359,7 +359,7 @@ struct page *pud_page(pud_t pud)
struct page *pmd_page(pmd_t pmd)
{
if (pmd_trans_huge(pmd) || pmd_huge(pmd))
return pfn_to_page(pmd_pfn(pmd));
return pte_page(pmd_pte(pmd));
return virt_to_page(pmd_page_vaddr(pmd));
}