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-rw-r--r--Documentation/ABI/testing/sysfs-kernel-mm-ksm15
1 files changed, 12 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-ksm b/Documentation/ABI/testing/sysfs-kernel-mm-ksm
index dfc13244cda3..6041a025b65a 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-ksm
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-ksm
@@ -34,13 +34,14 @@ Description: Kernel Samepage Merging daemon sysfs interface
in a tree.
run: write 0 to disable ksm, read 0 while ksm is disabled.
- write 1 to run ksm, read 1 while ksm is running.
- write 2 to disable ksm and unmerge all its pages.
+
+ - write 1 to run ksm, read 1 while ksm is running.
+ - write 2 to disable ksm and unmerge all its pages.
sleep_millisecs: how many milliseconds ksm should sleep between
scans.
- See Documentation/vm/ksm.rst for more information.
+ See Documentation/mm/ksm.rst for more information.
What: /sys/kernel/mm/ksm/merge_across_nodes
Date: January 2013
@@ -50,3 +51,11 @@ Description: Control merging pages across different NUMA nodes.
When it is set to 0 only pages from the same node are merged,
otherwise pages from all nodes can be merged together (default).
+
+What: /sys/kernel/mm/ksm/general_profit
+Date: April 2023
+KernelVersion: 6.4
+Contact: Linux memory management mailing list <linux-mm@kvack.org>
+Description: Measure how effective KSM is.
+ general_profit: how effective is KSM. The formula for the
+ calculation is in Documentation/admin-guide/mm/ksm.rst.