1 files changed, 2 insertions, 1 deletions

diff --git a/ipc/shm.c b/ipc/shm.c
index 790240cd067f..a726aebce7d7 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -577,7 +577,8 @@ static void shm_get_stat(struct ipc_namespace *ns, unsigned long *rss,
 
                 if (is_file_hugepages(shp->shm_file)) {
                         struct address_space *mapping = inode->i_mapping;
-                        *rss += (HPAGE_SIZE/PAGE_SIZE)*mapping->nrpages;
+                        struct hstate *h = hstate_file(shp->shm_file);
+                        *rss += pages_per_huge_page(h) * mapping->nrpages;
                 } else {
                         struct shmem_inode_info *info = SHMEM_I(inode);
                         spin_lock(&info->lock);