diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-03-07 04:37:17 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-13 15:43:08 +0300 |
| commit | 014a32b30e9d81b47ef82b9995b52c3a0c8b4082 (patch) | |
| tree | 95876b99824a29ce76b8741b56084fb33c0bbd05 /arch/powerpc/mm/slice.c | |
| parent | d262bd5a73998252d1cdf632bedaf1ca540839d8 (diff) | |
| download | linux-014a32b30e9d81b47ef82b9995b52c3a0c8b4082.tar.xz | |
powerpc/mm/slice: remove radix calls to the slice code
This is a tidy up which removes radix MMU calls into the slice
code.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/slice.c')
| -rw-r--r-- | arch/powerpc/mm/slice.c | 17 |
1 files changed, 4 insertions, 13 deletions
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 |