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| author | David S. Miller <davem@davemloft.net> | 2005-11-28 14:02:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-28 14:35:36 -0800 |
| commit | 5cd9194a1b0b0fa219c31421ac64dfd38670ed49 (patch) | |
| tree | 4cd74902103751f10aec30d5a4b0b9af51f42561 /arch/sparc/mm | |
| parent | 6aab341e0a28aff100a09831c5300a2994b8b986 (diff) | |
| download | op-kernel-dev-5cd9194a1b0b0fa219c31421ac64dfd38670ed49.zip op-kernel-dev-5cd9194a1b0b0fa219c31421ac64dfd38670ed49.tar.gz | |
[PATCH] sparc: convert IO remapping to VM_PFNMAP
Here are the Sparc bits.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/sparc/mm')
| -rw-r--r-- | arch/sparc/mm/generic.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c index 0410bae..2cb0728 100644 --- a/arch/sparc/mm/generic.c +++ b/arch/sparc/mm/generic.c @@ -32,9 +32,7 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigne if (end > PMD_SIZE) end = PMD_SIZE; do { - pte_t oldpage = *pte; - pte_clear(mm, address, pte); - set_pte(pte, mk_pte_io(offset, prot, space)); + set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space)); address += PAGE_SIZE; offset += PAGE_SIZE; pte++; @@ -63,7 +61,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned } int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) + unsigned long pfn, unsigned long size, pgprot_t prot) { int error = 0; pgd_t * dir; @@ -74,7 +72,9 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_UNPAGED; + vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; + vma->vm_pgoff = (offset >> PAGE_SHIFT) | + ((unsigned long)space << 28UL); prot = __pgprot(pg_iobits); offset -= from; |
