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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:26:28 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:53:56 +1000 |
| commit | 6a1ea36260f69f1aea85bbf8afcd6a8c193485b9 (patch) | |
| tree | cdfc48c9fab461826c733f0b491ec281ddce3538 /arch/powerpc/include | |
| parent | powerpc/mm/radix: Add hugetlb support 4K page size (diff) | |
| download | linux-dev-6a1ea36260f69f1aea85bbf8afcd6a8c193485b9.tar.xz linux-dev-6a1ea36260f69f1aea85bbf8afcd6a8c193485b9.zip | |
powerpc/mm: THP is only available on hash64 as of now
Only code movement in this patch. No functionality change.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 9175a688e70f..dfdd1f4e4cf0 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -777,18 +777,6 @@ static inline void vmemmap_remove_mapping(unsigned long start, #endif struct page *realmode_pfn_to_page(unsigned long pfn); -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); -extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); -extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot); -extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, - pmd_t *pmdp, pmd_t pmd); -extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, - pmd_t *pmd); -extern int has_transparent_hugepage(void); -#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ - - static inline pte_t pmd_pte(pmd_t pmd) { return __pte(pmd_val(pmd)); @@ -803,7 +791,6 @@ static inline pte_t *pmdp_ptep(pmd_t *pmd) { return (pte_t *)pmd; } - #define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd)) #define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd)) #define pmd_young(pmd) pte_young(pmd_pte(pmd)) @@ -830,6 +817,16 @@ static inline int pmd_protnone(pmd_t pmd) #define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) pte_write(pmd_pte(pmd)) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); +extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); +extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot); +extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp, pmd_t pmd); +extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, + pmd_t *pmd); +extern int has_transparent_hugepage(void); + static inline pmd_t pmd_mkhuge(pmd_t pmd) { return __pmd(pmd_val(pmd) | (_PAGE_PTE | H_PAGE_THP_HUGE)); @@ -878,5 +875,6 @@ static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, */ return true; } +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */ |