1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index e64f26ec614..a9e1c2524c2 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -190,7 +190,7 @@ static int ramdisk_set_page_dirty(struct page *page)
         return 0;
 }
 
-static struct address_space_operations ramdisk_aops = {
+static const struct address_space_operations ramdisk_aops = {
         .readpage       = ramdisk_readpage,
         .prepare_write  = ramdisk_prepare_write,
         .commit_write   = ramdisk_commit_write,