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Diffstat (limited to 'Documentation/vm/ksm.txt')
| -rw-r--r-- | Documentation/vm/ksm.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/vm/ksm.txt b/Documentation/vm/ksm.txt index f34a8ee6f860..0481235589cc 100644 --- a/Documentation/vm/ksm.txt +++ b/Documentation/vm/ksm.txt @@ -87,6 +87,13 @@ pages_sharing - how many more sites are sharing them i.e. how much saved pages_unshared - how many pages unique but repeatedly checked for merging pages_volatile - how many pages changing too fast to be placed in a tree full_scans - how many times all mergeable areas have been scanned +deferrable_timer - whether to use deferrable timers or not + e.g. "echo 1 > /sys/kernel/mm/ksm/deferrable_timer" + Default: 0 (means, we are not using deferrable timers. Users + might want to set deferrable_timer option if they donot want + ksm thread to wakeup CPU to carryout ksm activities thus + gaining on battery while compromising slightly on memory + that could have been saved.) A high ratio of pages_sharing to pages_shared indicates good sharing, but a high ratio of pages_unshared to pages_sharing indicates wasted effort. |