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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2015-12-01 09:06:52 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-12-14 15:19:13 +1100 |
| commit | 26a344aea48c99cfd80d292a470a480e1c2bd5d9 (patch) | |
| tree | 68bb22d0a56dc7539e943d613bb9eb1b6c57a0ed /arch/powerpc/include/asm/nohash | |
| parent | 40e8550afc19dfc588171c089cb3f31f7b9e16f7 (diff) | |
| download | linux-26a344aea48c99cfd80d292a470a480e1c2bd5d9.tar.bz2 | |
powerpc/mm: Move hugetlb related headers
W.r.t hugetlb, we support two format for pmd. With book3s_64 and
64K linux page size, we can have pte at the pmd level. Hence we
don't need to support hugepd there. For everything else hugepd
is supported and pmd_huge is (0).
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>
Diffstat (limited to 'arch/powerpc/include/asm/nohash')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/pgtable.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index c0c41a2409d2..1263c22d60d8 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -223,5 +223,30 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot); #define __HAVE_PHYS_MEM_ACCESS_PROT +#ifdef CONFIG_HUGETLB_PAGE +static inline int hugepd_ok(hugepd_t hpd) +{ + return (hpd.pd > 0); +} + +static inline int pmd_huge(pmd_t pmd) +{ + return 0; +} + +static inline int pud_huge(pud_t pud) +{ + return 0; +} + +static inline int pgd_huge(pgd_t pgd) +{ + return 0; +} +#define pgd_huge pgd_huge + +#define is_hugepd(hpd) (hugepd_ok(hpd)) +#endif + #endif /* __ASSEMBLY__ */ #endif |