Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) What:		/sys/kernel/mm/ksm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) Date:		September 2009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) KernelVersion:	2.6.32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) Contact:	Linux memory management mailing list <linux-mm@kvack.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) Description:	Interface for Kernel Samepage Merging (KSM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) What:		/sys/kernel/mm/ksm/full_scans
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) What:		/sys/kernel/mm/ksm/pages_shared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) What:		/sys/kernel/mm/ksm/pages_sharing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) What:		/sys/kernel/mm/ksm/pages_to_scan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) What:		/sys/kernel/mm/ksm/pages_unshared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) What:		/sys/kernel/mm/ksm/pages_volatile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) What:		/sys/kernel/mm/ksm/run
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) What:		/sys/kernel/mm/ksm/sleep_millisecs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) Date:		September 2009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) Contact:	Linux memory management mailing list <linux-mm@kvack.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) Description:	Kernel Samepage Merging daemon sysfs interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		full_scans: how many times all mergeable areas have been
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		scanned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		pages_shared: how many shared pages are being used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		pages_sharing: how many more sites are sharing them i.e. how
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		much saved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		pages_to_scan: how many present pages to scan before ksmd goes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		to sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		pages_unshared: how many pages unique but repeatedly checked
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		for merging.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		pages_volatile: how many pages changing too fast to be placed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		in a tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		run: write 0 to disable ksm, read 0 while ksm is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 			- write 1 to run ksm, read 1 while ksm is running.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 			- write 2 to disable ksm and unmerge all its pages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		sleep_millisecs: how many milliseconds ksm should sleep between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		scans.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		See Documentation/vm/ksm.rst for more information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) What:		/sys/kernel/mm/ksm/merge_across_nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) Date:		January 2013
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) KernelVersion:	3.9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) Contact:	Linux memory management mailing list <linux-mm@kvack.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) Description:	Control merging pages across different NUMA nodes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		When it is set to 0 only pages from the same node are merged,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		otherwise pages from all nodes can be merged together (default).