zram: export new 'mm_stat' sysfs attrs

[mirror_ubuntu-artful-kernel.git] / Documentation / ABI / testing / sysfs-block-zram

diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram
index a7f622f9bcf6579caa24874bf9062201432e7435..2e69e83bf51057501662e606fb6791338e3838cd 100644 (file)
--- a/Documentation/ABI/testing/sysfs-block-zram
+++ b/Documentation/ABI/testing/sysfs-block-zram
@@ -158,3 +158,11 @@ Description:
                statistics not accounted by block layer. For example,
                failed_reads, failed_writes, etc. File format is similar to
                block layer statistics file format.
+
+What:          /sys/block/zram<id>/mm_stat
+Date:          August 2015
+Contact:       Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+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.