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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/controllers/memory.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/controllers/memory.txt b/Documentation/controllers/memory.txt index 54253b7a8db2..9fe2d0eabe05 100644 --- a/Documentation/controllers/memory.txt +++ b/Documentation/controllers/memory.txt | |||
| @@ -137,6 +137,11 @@ behind this approach is that a cgroup that aggressively uses a shared | |||
| 137 | page will eventually get charged for it (once it is uncharged from | 137 | page will eventually get charged for it (once it is uncharged from |
| 138 | the cgroup that brought it in -- this will happen on memory pressure). | 138 | the cgroup that brought it in -- this will happen on memory pressure). |
| 139 | 139 | ||
| 140 | Exception: When you do swapoff and make swapped-out pages of shmem(tmpfs) to | ||
| 141 | be backed into memory in force, charges for pages are accounted against the | ||
| 142 | caller of swapoff rather than the users of shmem. | ||
| 143 | |||
| 144 | |||
| 140 | 2.4 Reclaim | 145 | 2.4 Reclaim |
| 141 | 146 | ||
| 142 | Each cgroup maintains a per cgroup LRU that consists of an active | 147 | Each cgroup maintains a per cgroup LRU that consists of an active |