diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:25:59 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-01 18:33:02 +1000 |
| commit | 31a14fae92b29b7a7fcc65600f072bf448d3b0eb (patch) | |
| tree | 87cec341565d9bfb78490f35eb322c8abf4d46cd /arch/powerpc/include/asm/book3s/64/hash.h | |
| parent | 2bfd65e45e877fb5704730244da67c748d28a1b8 (diff) | |
powerpc/mm: Abstraction for vmemmap and map_kernel_page()
For hash we create vmemmap mapping using bolted hash page table entries.
For radix we fill the radix page table. The next patch will add the
radix details for creating vmemmap mappings.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index 62714399a1a0..cd3e91583c81 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -193,6 +193,14 @@ static inline void hpte_do_hugepage_flush(struct mm_struct *mm, } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ + +extern int hash__map_kernel_page(unsigned long ea, unsigned long pa, + unsigned long flags); +extern int __meminit hash__vmemmap_create_mapping(unsigned long start, + unsigned long page_size, + unsigned long phys); +extern void hash__vmemmap_remove_mapping(unsigned long start, + unsigned long page_size); #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_BOOK3S_64_HASH_H */ |