diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/slice.c | 17 |
2 files changed, 8 insertions, 15 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 590be3fa0ce2..f4153f21d214 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -565,10 +565,12 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, 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); /* With radix we don't use slice, so derive it from vma*/ - if (!radix_enabled()) + if (!radix_enabled()) { + unsigned int psize = get_slice_psize(vma->vm_mm, vma->vm_start); + return 1UL << mmu_psize_to_shift(psize); + } #endif if (!is_vm_hugetlb_page(vma)) return PAGE_SIZE; diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index b3b465c37224..1297b3ad7dd2 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -686,16 +686,8 @@ unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr) unsigned char *psizes; int index, mask_index; - /* - * Radix doesn't use slice, but can get enabled along with MMU_SLICE - */ - if (radix_enabled()) { -#ifdef CONFIG_PPC_64K_PAGES - return MMU_PAGE_64K; -#else - return MMU_PAGE_4K; -#endif - } + VM_BUG_ON(radix_enabled()); + if (addr < SLICE_LOW_TOP) { psizes = mm->context.low_slices_psize; index = GET_LOW_SLICE_INDEX(addr); @@ -778,14 +770,13 @@ void slice_set_range_psize(struct mm_struct *mm, unsigned long start, * for now as we only use slices with hugetlbfs enabled. This should * be fixed as the generic code gets fixed. */ -int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, +int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len) { const struct slice_mask *maskp; unsigned int psize = mm->context.user_psize; - if (radix_enabled()) - return 0; + VM_BUG_ON(radix_enabled()); maskp = slice_mask_for_size(mm, psize); #ifdef CONFIG_PPC_64K_PAGES |