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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-11-05 19:27:40 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-11-14 09:24:21 +0300 |
| commit | f30c59e921f12b209852e1ddc197dc6a8fb0142b (patch) | |
| tree | 392c066f3053fcf6f4683fbe6da3a0a06b091cc7 /arch | |
| parent | 06743521d0eae1263a09bccb1a92a9fbb94660b3 (diff) | |
| download | linux-f30c59e921f12b209852e1ddc197dc6a8fb0142b.tar.xz | |
mm: Update generic gup implementation to handle hugepage directory
Update generic gup implementation with powerpc specific details.
On powerpc at pmd level we can have hugepte, normal pmd pointer
or a pointer to the hugepage directory.
Tested-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Steve Capper <steve.capper@linaro.org>
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')
| -rw-r--r-- | arch/powerpc/include/asm/page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index 26fe1ae15212..f973fce73a43 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -380,6 +380,7 @@ static inline int hugepd_ok(hugepd_t hpd) #endif #define is_hugepd(pdep) (hugepd_ok(*((hugepd_t *)(pdep)))) +#define pgd_huge pgd_huge int pgd_huge(pgd_t pgd); #else /* CONFIG_HUGETLB_PAGE */ #define is_hugepd(pdep) 0 |