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-rw-r--r--Documentation/ABI/testing/sysfs-block-zram11
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram
index 9d2339a485c8..14b2bf2e5105 100644
--- a/Documentation/ABI/testing/sysfs-block-zram
+++ b/Documentation/ABI/testing/sysfs-block-zram
@@ -122,11 +122,18 @@ Description:
statistics (bd_count, bd_reads, bd_writes) in a format
similar to block layer statistics file format.
+What: /sys/block/zram<id>/writeback_limit_enable
+Date: November 2018
+Contact: Minchan Kim <minchan@kernel.org>
+Description:
+ The writeback_limit_enable file is read-write and specifies
+ eanbe of writeback_limit feature. "1" means eable the feature.
+ No limit "0" is the initial state.
+
What: /sys/block/zram<id>/writeback_limit
Date: November 2018
Contact: Minchan Kim <minchan@kernel.org>
Description:
The writeback_limit file is read-write and specifies the maximum
amount of writeback ZRAM can do. The limit could be changed
- in run time and "0" means disable the limit.
- No limit is the initial state.
+ in run time.