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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 15:26:24 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 13:53:54 +0200 |
| commit | 2f5f0dfd1e5f9840560e85ad26cb4a6f06c19e07 (patch) | |
| tree | 7076cb68612b28073ab07c51f8a16580c25777c5 | |
| parent | powerpc/mm: pte_frag abstraction (diff) | |
| download | linux-2f5f0dfd1e5f9840560e85ad26cb4a6f06c19e07.tar.xz linux-2f5f0dfd1e5f9840560e85ad26cb4a6f06c19e07.zip | |
powerpc/mm: Fix vma_mmu_pagesize() for radix
Radix doesn't use the slice framework to find the page size. Hence use
vma to find the page size.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 6d910960217e..7d677ef51033 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -719,14 +719,14 @@ unsigned long vma_mmu_pagesize(struct vm_area_struct *vma) { #ifdef CONFIG_PPC_MM_SLICES unsigned int psize = get_slice_psize(vma->vm_mm, vma->vm_start); - - return 1UL << mmu_psize_to_shift(psize); -#else + /* With radix we don't use slice, so derive it from vma*/ + if (!radix_enabled()) + return 1UL << mmu_psize_to_shift(psize); +#endif if (!is_vm_hugetlb_page(vma)) return PAGE_SIZE; return huge_page_size(hstate_vma(vma)); -#endif } static inline bool is_power_of_4(unsigned long x) |