1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 6ddc0bca56b2..7d377c9a5e35 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -479,6 +479,8 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
                 CEPH_FEATURE_FLOCK |
                 CEPH_FEATURE_DIRLAYOUTHASH;
         const unsigned required_features = 0;
+        int page_count;
+        size_t size;
         int err = -ENOMEM;
 
         fsc = kzalloc(sizeof(*fsc), GFP_KERNEL);
@@ -522,8 +524,9 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
 
         /* set up mempools */
         err = -ENOMEM;
-        fsc->wb_pagevec_pool = mempool_create_kmalloc_pool(10,
-                              fsc->mount_options->wsize >> PAGE_CACHE_SHIFT);
+        page_count = fsc->mount_options->wsize >> PAGE_CACHE_SHIFT;
+        size = sizeof (struct page *) * (page_count ? page_count : 1);
+        fsc->wb_pagevec_pool = mempool_create_kmalloc_pool(10, size);
         if (!fsc->wb_pagevec_pool)
                 goto fail_trunc_wq;