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authorWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-23 03:29:33 +0200
committerWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-23 03:29:33 +0200
commit15dfd0df63ce6847081d09b2bbd567cc0cc4eae1 (patch)
tree3b73f24fcef970bfcace3cbb297cfa57f3994682 /Documentation/cgroups/memory.txt
parent328aa7a45af61bc0060c80847daa67fef7b9c0d0 (diff)
parent0149138c4142da287d23f9d5c6038f7fb5e30ac2 (diff)
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initial merge with 3.2.72
Diffstat (limited to 'Documentation/cgroups/memory.txt')
-rw-r--r--Documentation/cgroups/memory.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 06eb6d9..fd129f6 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -418,7 +418,6 @@ total_unevictable - sum of all children's "unevictable"
# The following additional stats are dependent on CONFIG_DEBUG_VM.
-inactive_ratio - VM internal parameter. (see mm/page_alloc.c)
recent_rotated_anon - VM internal parameter. (see mm/vmscan.c)
recent_rotated_file - VM internal parameter. (see mm/vmscan.c)
recent_scanned_anon - VM internal parameter. (see mm/vmscan.c)
@@ -441,6 +440,10 @@ Note:
5.3 swappiness
Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
+Please note that unlike the global swappiness, memcg knob set to 0
+really prevents from any swapping even if there is a swap storage
+available. This might lead to memcg OOM killer if there are no file
+pages to reclaim.
Following cgroups' swappiness can't be changed.
- root cgroup (uses /proc/sys/vm/swappiness).