diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-25 14:29:30 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-03 01:20:22 +1000 |
| commit | fca5c1e9eb5e263c1b4def0b5ae4ce5b2e1a9877 (patch) | |
| tree | b95a479cb21a65bfa62bbcafebf47fbd349b9b74 /arch/powerpc/include/asm/book3s/64 | |
| parent | 6f60cc98df2be7f082bd786aa824ceabd24d24cb (diff) | |
powerpc/mm: move slice_mask_for_size() into mmu.h
Move slice_mask_for_size() into subarch mmu.h
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
[mpe: Retain the BUG_ON()s, rather than converting to VM_BUG_ON()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 230a9dec7677..a6d5b5ed1170 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -203,6 +203,23 @@ static inline struct slice_mask *mm_ctx_slice_mask_16g(mm_context_t *ctx) } #endif +static inline struct slice_mask *slice_mask_for_size(mm_context_t *ctx, int psize) +{ +#ifdef CONFIG_PPC_64K_PAGES + if (psize == MMU_PAGE_64K) + return mm_ctx_slice_mask_64k(&ctx); +#endif +#ifdef CONFIG_HUGETLB_PAGE + if (psize == MMU_PAGE_16M) + return mm_ctx_slice_mask_16m(&ctx); + if (psize == MMU_PAGE_16G) + return mm_ctx_slice_mask_16g(&ctx); +#endif + BUG_ON(psize != MMU_PAGE_4K); + + return mm_ctx_slice_mask_4k(&ctx); +} + #ifdef CONFIG_PPC_SUBPAGE_PROT static inline struct subpage_prot_table *mm_ctx_subpage_prot(mm_context_t *ctx) { |