1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c
index 20ccb957fb77..659c9a71f867 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);