diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-10-31 08:36:11 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-31 08:36:11 -0800 |
| commit | 53b2ec5518aa2623e8c0cb36f1c304a797988a46 (patch) | |
| tree | 465d8631ade6c2fcbd7576ff9813d00116c6a1e8 /arch/sparc/mm/generic.c | |
| parent | 0753ca7bc2b876dd136e9db11a20f85cbe4e08b1 (diff) | |
| parent | 581c1b14394aee60aff46ea67d05483261ed6527 (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/sparc/mm/generic.c')
| -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; |