1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c
index db1df59ae2b6..9a6a274e6925 100644
--- a/drivers/edac/cell_edac.c
+++ b/drivers/edac/cell_edac.c
@@ -140,7 +140,7 @@ static void __devinit cell_edac_init_csrows(struct mem_ctl_info *mci)
                 if (of_node_to_nid(np) != priv->node)
                         continue;
                 csrow->first_page = r.start >> PAGE_SHIFT;
-                csrow->nr_pages = (r.end - r.start + 1) >> PAGE_SHIFT;
+                csrow->nr_pages = resource_size(&r) >> PAGE_SHIFT;
                 csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
                 csrow->mtype = MEM_XDR;
                 csrow->edac_mode = EDAC_SECDED;