From 2f5f0dfd1e5f9840560e85ad26cb4a6f06c19e07 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Fri, 29 Apr 2016 23:26:24 +1000 Subject: [PATCH] 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 Signed-off-by: Michael Ellerman --- arch/powerpc/mm/hugetlbpage.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 6d910960217e5..7d677ef510339 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)