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Diffstat (limited to 'arch/sparc/mm/generic.c')
-rw-r--r--arch/sparc/mm/generic.c7
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;