diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-06-20 11:00:16 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-06-21 08:01:54 +0200 |
| commit | 29409997f8d06d693d82127d200eeaf48989fdd2 (patch) | |
| tree | e659ae3df956d220b212e4f804ab31709efdd371 /arch/powerpc/include | |
| parent | powerpc/THP: Implement transparent hugepages for ppc64 (diff) | |
| download | linux-29409997f8d06d693d82127d200eeaf48989fdd2.tar.xz linux-29409997f8d06d693d82127d200eeaf48989fdd2.zip | |
powerpc: move find_linux_pte_or_hugepte and gup_hugepte to common code
We will use this in the later patch for handling THP pages
Reviewed-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/hugetlb.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pgtable-ppc64.h | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 2 |
3 files changed, 9 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index f2498c8e595d..d750336b171d 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -191,8 +191,14 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { } -#endif /* CONFIG_HUGETLB_PAGE */ +#define hugepd_shift(x) 0 +static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr, + unsigned pdshift) +{ + return 0; +} +#endif /* CONFIG_HUGETLB_PAGE */ /* * FSL Book3E platforms require special gpage handling - the gpages diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 8f9da5e32fea..6c9323f3ab54 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -368,19 +368,6 @@ static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) return pt; } -#ifdef CONFIG_HUGETLB_PAGE -pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - unsigned *shift); -#else -static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - unsigned *shift) -{ - if (shift) - *shift = 0; - return find_linux_pte(pgdir, ea); -} -#endif /* !CONFIG_HUGETLB_PAGE */ - #endif /* __ASSEMBLY__ */ /* diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index d53db937ec75..959d575c37dd 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -224,6 +224,8 @@ extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, #define pmd_large(pmd) 0 #define has_transparent_hugepage() 0 #endif +pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |