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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-11-29 14:07:01 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-04 19:45:01 +1100 |
| commit | 32ea4c14999006fea541b5f78d008fffc1656849 (patch) | |
| tree | 5f3a1af0e2a9ec621d1bfebd7e8eb51446810d07 /arch/powerpc/include/asm/book3s/32/pgtable.h | |
| parent | a74791dd98332435550bdc57761969ba72b74769 (diff) | |
| download | blackbird-op-linux-32ea4c14999006fea541b5f78d008fffc1656849.tar.gz blackbird-op-linux-32ea4c14999006fea541b5f78d008fffc1656849.zip | |
powerpc/mm: Extend pte_fragment functionality to PPC32
In order to allow the 8xx to handle pte_fragments, this patch
extends the use of pte_fragments to PPC32 platforms.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/32/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/pgtable.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index b2c588ad60e7..727692fd6bca 100644 --- a/arch/powerpc/include/asm/book3s/32/pgtable.h +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h @@ -329,7 +329,7 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, #define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0) #define pmd_page_vaddr(pmd) \ - ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) + ((unsigned long)__va(pmd_val(pmd) & ~(PTE_TABLE_SIZE - 1))) #define pmd_page(pmd) \ pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT) @@ -346,7 +346,8 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, #define pte_offset_kernel(dir, addr) \ ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr)) #define pte_offset_map(dir, addr) \ - ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr)) + ((pte_t *)(kmap_atomic(pmd_page(*(dir))) + \ + (pmd_page_vaddr(*(dir)) & ~PAGE_MASK)) + pte_index(addr)) #define pte_unmap(pte) kunmap_atomic(pte) /* |
