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-rw-r--r--Documentation/mm/zsmalloc.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/mm/zsmalloc.rst b/Documentation/mm/zsmalloc.rst
index 3c6bf639887f..a3c26d587752 100644
--- a/Documentation/mm/zsmalloc.rst
+++ b/Documentation/mm/zsmalloc.rst
@@ -83,6 +83,8 @@ pages_used
the number of pages allocated for the class
pages_per_zspage
the number of 0-order pages to make a zspage
+freeable
+ the approximate number of pages class compaction can free
Each zspage maintains inuse counter which keeps track of the number of
objects stored in the zspage. The inuse counter determines the zspage's