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53 lines
1.7 KiB
53 lines
1.7 KiB
What: /sys/kernel/mm/ksm |
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Date: September 2009 |
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KernelVersion: 2.6.32 |
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Contact: Linux memory management mailing list <[email protected]> |
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Description: Interface for Kernel Samepage Merging (KSM) |
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What: /sys/kernel/mm/ksm/full_scans |
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What: /sys/kernel/mm/ksm/pages_shared |
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What: /sys/kernel/mm/ksm/pages_sharing |
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What: /sys/kernel/mm/ksm/pages_to_scan |
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What: /sys/kernel/mm/ksm/pages_unshared |
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What: /sys/kernel/mm/ksm/pages_volatile |
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What: /sys/kernel/mm/ksm/run |
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What: /sys/kernel/mm/ksm/sleep_millisecs |
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Date: September 2009 |
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Contact: Linux memory management mailing list <[email protected]> |
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Description: Kernel Samepage Merging daemon sysfs interface |
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full_scans: how many times all mergeable areas have been |
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scanned. |
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pages_shared: how many shared pages are being used. |
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pages_sharing: how many more sites are sharing them i.e. how |
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much saved. |
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pages_to_scan: how many present pages to scan before ksmd goes |
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to sleep. |
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pages_unshared: how many pages unique but repeatedly checked |
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for merging. |
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pages_volatile: how many pages changing too fast to be placed |
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in a tree. |
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run: write 0 to disable ksm, read 0 while ksm is disabled. |
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- write 1 to run ksm, read 1 while ksm is running. |
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- write 2 to disable ksm and unmerge all its pages. |
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sleep_millisecs: how many milliseconds ksm should sleep between |
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scans. |
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See Documentation/vm/ksm.rst for more information. |
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What: /sys/kernel/mm/ksm/merge_across_nodes |
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Date: January 2013 |
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KernelVersion: 3.9 |
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Contact: Linux memory management mailing list <[email protected]> |
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Description: Control merging pages across different NUMA nodes. |
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When it is set to 0 only pages from the same node are merged, |
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otherwise pages from all nodes can be merged together (default).
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