diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index e90f4a8..b8da5dd 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1916,7 +1916,7 @@
 		raparm_hash[i].pb_head = NULL;
 		spin_lock_init(&raparm_hash[i].pb_lock);
 	}
-	nperbucket = cache_size >> RAPARM_HASH_BITS;
+	nperbucket = DIV_ROUND_UP(cache_size, RAPARM_HASH_SIZE);
 	for (i = 0; i < cache_size - 1; i++) {
 		if (i % nperbucket == 0)
 			raparm_hash[j++].pb_head = raparml + i;