diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-30 01:58:18 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-30 01:58:18 -0500 |
commit | f0612bbc41f65f5a684f69d714a1a17a6f0f40c5 (patch) | |
tree | 8c070070bb355843cfa4635643e9da7c2c4cd44a /arch/sparc/mm | |
parent | b0c4e148bd591629749d02a8fbc8d81c26d548cf (diff) | |
parent | 81cfb8864c73230eb1c37753aba517db15cf4d8f (diff) |
Merge branch 'upstream'
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r-- | arch/sparc/mm/generic.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c index 20ccb957fb7..9604893ffdb 100644 --- a/arch/sparc/mm/generic.c +++ b/arch/sparc/mm/generic.c @@ -73,14 +73,16 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, int space = GET_IOSPACE(pfn); unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; + /* See comment in mm/memory.c remap_pfn_range */ + vma->vm_flags |= VM_IO | VM_RESERVED; + prot = __pgprot(pg_iobits); offset -= from; dir = pgd_offset(mm, from); flush_cache_range(vma, beg, end); - spin_lock(&mm->page_table_lock); while (from < end) { - pmd_t *pmd = pmd_alloc(current->mm, dir, from); + pmd_t *pmd = pmd_alloc(mm, dir, from); error = -ENOMEM; if (!pmd) break; @@ -90,7 +92,6 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, from = (from + PGDIR_SIZE) & PGDIR_MASK; dir++; } - spin_unlock(&mm->page_table_lock); flush_tlb_range(vma, beg, end); return error; |