zram: introduce per-device debug_stat sysfs node

[cascardo/linux.git] / Documentation / ABI / testing / sysfs-block-zram

diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram
index 2e69e83..4518d30 100644 (file)
--- a/Documentation/ABI/testing/sysfs-block-zram
+++ b/Documentation/ABI/testing/sysfs-block-zram
@@ -166,3 +166,12 @@ Description:
                The mm_stat file is read-only and represents device's mm
                statistics (orig_data_size, compr_data_size, etc.) in a format
                similar to block layer statistics file format.
+
+What:          /sys/block/zram<id>/debug_stat
+Date:          July 2016
+Contact:       Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+Description:
+               The debug_stat file is read-only and represents various
+               device's debugging info useful for kernel developers. Its
+               format is not documented intentionally and may change
+               anytime without any notice.