aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc/mm/generic.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/mm/generic.c')
-rw-r--r--arch/sparc/mm/generic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c
index 20ccb957fb7..659c9a71f86 100644
--- a/arch/sparc/mm/generic.c
+++ b/arch/sparc/mm/generic.c
@@ -73,6 +73,9 @@ 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);