1 files changed, 12 insertions, 0 deletions

diff --git a/Documentation/blockdev/zram.txt b/Documentation/blockdev/zram.txt
index 9610be3e9d36..7920f4026d36 100644
--- a/Documentation/blockdev/zram.txt
+++ b/Documentation/blockdev/zram.txt
@@ -144,6 +144,18 @@ whitespace:
         invalid_io
         notify_free
 
+File /sys/block/zram<id>/mm_stat
+
+The stat file represents device's mm statistics. It consists of a single
+line of text and contains the following stats separated by whitespace:
+        orig_data_size
+        compr_data_size
+        mem_used_total
+        mem_limit
+        mem_used_max
+        zero_pages
+        num_migrated
+
 8) Deactivate:
         swapoff /dev/zram0
         umount /dev/zram1