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-rw-r--r--Documentation/controllers/memory.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/controllers/memory.txt b/Documentation/controllers/memory.txt
index d71745cc2f00..e1501964df1e 100644
--- a/Documentation/controllers/memory.txt
+++ b/Documentation/controllers/memory.txt
@@ -314,6 +314,15 @@ will be charged as a new owner of it.
314 showing for better debug please see the code for meanings. 314 showing for better debug please see the code for meanings.
315 315
316 316
3175.3 swappiness
318 Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
319
320 Following cgroup's swapiness can't be changed.
321 - root cgroup (uses /proc/sys/vm/swappiness).
322 - a cgroup which uses hierarchy and it has child cgroup.
323 - a cgroup which uses hierarchy and not the root of hierarchy.
324
325
3176. Hierarchy support 3266. Hierarchy support
318 327
319The memory controller supports a deep hierarchy and hierarchical accounting. 328The memory controller supports a deep hierarchy and hierarchical accounting.