diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 87d88dbb667f2abdb83190b5d1fc1ac3d19cb1ba..713acd02ab39f1cd9662b5238c6e770fcc73c00c 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -360,6 +360,7 @@ static void raid_exit(void)
 module_init(raid_init);
 module_exit(raid_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Fault injection personality for MD");
 MODULE_ALIAS("md-personality-10"); /* faulty */
 MODULE_ALIAS("md-faulty");
 MODULE_ALIAS("md-level--5");
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 3b3f77c4f249daa483a0a30480383e9f7d2b3888..00435bd206990416c21cad98b549483b123a99c8 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -383,6 +383,7 @@ static void linear_exit (void)
 module_init(linear_init);
 module_exit(linear_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Linear device concatenation personality for MD");
 MODULE_ALIAS("md-personality-1"); /* LINEAR - deprecated*/
 MODULE_ALIAS("md-linear");
 MODULE_ALIAS("md-level--1");
diff --git a/drivers/md/md.c b/drivers/md/md.c
index f1b905a201335e3540af357da2eb554acca8eea6..bcc66680952e71fb1295a68a1575b131c7c1900a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7168,5 +7168,6 @@ EXPORT_SYMBOL(md_unregister_thread);
 EXPORT_SYMBOL(md_wakeup_thread);
 EXPORT_SYMBOL(md_check_recovery);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("MD RAID framework");
 MODULE_ALIAS("md");
 MODULE_ALIAS_BLOCKDEV_MAJOR(MD_MAJOR);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index cbc0a99f37961179fc65d3f9fa2ec3c84e71ffd3..32a662fc55c95d5f08de09362f85d0d6ab0917e3 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -581,6 +581,7 @@ static void __exit multipath_exit (void)
 module_init(multipath_init);
 module_exit(multipath_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("simple multi-path personality for MD");
 MODULE_ALIAS("md-personality-7"); /* MULTIPATH */
 MODULE_ALIAS("md-multipath");
 MODULE_ALIAS("md-level--4");
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 122d07af5b54ff8233587af4db309943c16a9383..77605cdceaf179ce1a5ce15d9bf50d4239efb91e 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -567,6 +567,7 @@ static void raid0_exit (void)
 module_init(raid0_init);
 module_exit(raid0_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RAID0 (striping) personality for MD");
 MODULE_ALIAS("md-personality-2"); /* RAID0 */
 MODULE_ALIAS("md-raid0");
 MODULE_ALIAS("md-level-0");
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f0949e2bcd6e3b6e09b5a95697555f84e3841869..859bd3ffe4351bad9204aa04e906e751a788c64a 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2376,6 +2376,7 @@ static void raid_exit(void)
 module_init(raid_init);
 module_exit(raid_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RAID1 (mirroring) personality for MD");
 MODULE_ALIAS("md-personality-3"); /* RAID1 */
 MODULE_ALIAS("md-raid1");
 MODULE_ALIAS("md-level-1");
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5c71a462c1203356dceae8ecec36e7309877365a..d119b7b75e71ffabe5863b0b3463b7a66304f831 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2408,6 +2408,7 @@ static void raid_exit(void)
 module_init(raid_init);
 module_exit(raid_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RAID10 (striped mirror) personality for MD");
 MODULE_ALIAS("md-personality-9"); /* RAID10 */
 MODULE_ALIAS("md-raid10");
 MODULE_ALIAS("md-level-10");
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c78d4835b0d6df400da982f5cf58b2cb1050e3a2..e84204eb12dff9c87daaf8ecbdba4462eda8971f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5892,6 +5892,7 @@ static void raid5_exit(void)
 module_init(raid5_init);
 module_exit(raid5_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RAID4/5/6 (striping with parity) personality for MD");
 MODULE_ALIAS("md-personality-4"); /* RAID5 */
 MODULE_ALIAS("md-raid5");
 MODULE_ALIAS("md-raid4");
diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index 8ce102cc2e7bb3b10d3ee1176b30406f97ae8e0f..bffc61bff5ab7c743d4ce0da3d716cd8642112f0 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -150,3 +150,4 @@ static void raid6_exit(void)
 subsys_initcall(raid6_select_algo);
 module_exit(raid6_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RAID6 Q-syndrome calculations");