Editing Read-copy-update (section)

==Uses==
By early 2008, there were almost 2,000 uses of the RCU API within the Linux kernel<ref>{{Cite journal
  | last1 = McKenney
  | first1 = Paul E.
  | last2 = Walpole
  | first2 = Jonathan
  | title = Introducing technology into the Linux kernel: a case study
  | journal = SIGOPS Oper. Syst. Rev.
  | volume = 42
  | pages = 4–17
  | date = July 2008
  | doi = 10.1145/1400097.1400099
  | issue = 5
  | s2cid = 12748421
 }}</ref> including the networking protocol stacks<ref>{{Cite book
  | last1 = Olsson
  | first1 = Robert
  | last2 = Nilsson
  | first2 = Stefan
  | title = 2007 Workshop on High Performance Switching and Routing
 | chapter = TRASH a dynamic LC-trie and hash data structure
 | date = May 2007
  | pages = 1–6
 | doi = 10.1109/HPSR.2007.4281239
 | isbn = 978-1-4244-1205-1
 | s2cid = 17493674
 }}</ref> and the memory-management system.<ref>{{Cite conference
  | last = Piggin
  | first = Nick
  | title = A Lockless Pagecache in Linux---Introduction, Progress, Performance
  | url = http://www.linuxsymposium.org/2006/view_abstract.php?content_key=184
  | journal = Ottawa Linux Symposium
  | date = July 2006
   }}</ref> {{As of|2014|03}}, there were more than 9,000 uses.<ref>{{Cite web | url=http://www.rdrop.com/users/paulmck/RCU/linuxusage.html | title=Paul E. McKenney: RCU Linux Usage}}</ref> Since 2006, researchers have applied RCU and similar techniques to a number of problems, including management of metadata used in dynamic analysis,<ref>{{Cite book
  | doi = 10.1145/1669112.1669161
  | isbn = 978-1-60558-798-1
| chapter = Ordering decoupled metadata accesses in multiprocessors
| title = Proceedings of the 42nd Annual IEEE/ACM International Symposium on Microarchitecture - Micro-42
| pages = 381–390
| year = 2009
| last1 = Kannan
| first1 = Hari
| s2cid = 2465311
}}</ref> managing the lifetime of clustered objects,<ref>{{Cite conference
  | last1 = Matthews
  | first1 = Chris
  | last2 = Coady
  | first2 = Yvonne
  | last3 = Appavoo
  | first3 = Jonathan
  | title = Portability events: a programming model for scalable system infrastructures
  | doi = 10.1145/1215995.1216006
  | isbn = 978-1-59593-577-9
  | journal = PLOS '06: Proceedings of the 3rd Workshop on Programming Languages and Operating Systems
  | location = San Jose, CA, USA
  | year = 2009 }}</ref> managing object lifetime in the [[K42]] research operating system,<ref>{{Cite journal
  | last1 = Da Silva
  | first1 = Dilma | author1-link = Dilma Da Silva
  | last2 = Krieger
  | first2 = Orran
  | last3 = Wisniewski
  | first3 = Robert W.
  | last4 = Waterland
  | first4 = Amos
  | last5 = Tam
  | first5 = David
  | last6 = Baumann
  | first6 = Andrew
  | title = K42: an infrastructure for operating system research
  | doi = 10.1145/1131322.1131333
  | journal = SIGOPS Oper. Syst. Rev.
  | volume = 40
  | pages = 34–42
  | date = April 2006
  | issue = 2
  | s2cid = 669053 }}</ref><ref>{{Cite journal
  | last1 = Appavoo
  | first1 = Jonathan
  | last2 = Da Silva
  | first2 = Dilma
  | last3 = Krieger
  | first3 = Orran
  | last4 = Auslander
  | first4 = Mark
  | last5 = Ostrowski
  | first5 = Michal
  | last6 = Rosenburg
  | first6 = Bryan
  | last7 = Waterland
  | first7 = Amos
  | last8 = Wisniewski
  | first8 = Robert W.
  | last9 = Xenidis
  | first9 = Jimi
  | title = Experience distributing objects in an SMMP OS
  | doi = 10.1145/1275517.1275518
  | journal = ACM Transactions on Computer Systems
  | volume = 25
  | pages = 6/1–6/52
  | date = August 2007
  | issue = 3
  
  | s2cid = 931202
 }}</ref> and optimizing [[software transactional memory]] implementations.<ref>{{Cite journal
  | last1 = Fraser
  | first1 = Keir
  | last2 = Harris
  | first2 = Tim
  | title = Concurrent programming without locks
  | doi = 10.1145/1233307.1233309
  | journal = ACM Transactions on Computer Systems
  | volume = 25
  | pages = 34–42
  | year = 2007
  | issue = 2 | citeseerx = 10.1.1.532.5050
  | s2cid = 3030814
 }}</ref><ref>{{Cite book
  | doi = 10.1145/1629575.1629591
  | isbn = 978-1-60558-752-3
| chapter = Operating systems transactions
| title = Proceedings of the ACM SIGOPS 22nd symposium on Operating systems principles - SOSP '09
| pages = 161
| year = 2009
| last1 = Porter
| first1 = Donald E.
| last2 = Hofmann
| first2 = Owen S.
| last3 = Rossbach
| first3 = Christopher J.
| last4 = Benn
| first4 = Alexander
| last5 = Witchel
| first5 = Emmett
| hdl = 2152/ETD-UT-2010-12-2488
| s2cid = 28504
}}</ref>  [[Dragonfly BSD]] uses a technique similar to RCU that most closely resembles Linux's Sleepable RCU (SRCU) implementation.