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Subject[PATCH] memcg: doc the pagefault count
Date
Pagefault count has added to memcg stats since commit 456f998e,
but forgot to doc it.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
---
Documentation/cgroups/memory.txt | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index cc0ebc5..081f4f44 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -389,6 +389,13 @@ mapped_file - # of bytes of mapped file (includes tmpfs/shmem)
pgpgin - # of pages paged in (equivalent to # of charging events).
pgpgout - # of pages paged out (equivalent to # of uncharging events).
swap - # of bytes of swap usage
+
+pgfault - # of page-faults
+pgmajfault - # of major page-faults
+ These two are different from "pgpgin"/"pgpgout" stat which
+ count number of pages charged/discharged to the cgroup and
+ have no meaning of reading/writing page to disk.
+
inactive_anon - # of bytes of anonymous memory and swap cache memory on
LRU list.
active_anon - # of bytes of anonymous and swap cache memory on active
--
1.7.8.rc0


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