diff options
Diffstat (limited to 'Documentation/RCU')
| -rw-r--r-- | Documentation/RCU/RTFP.txt | 4 | ||||
| -rw-r--r-- | Documentation/RCU/rcuref.txt | 9 |
2 files changed, 11 insertions, 2 deletions
diff --git a/Documentation/RCU/RTFP.txt b/Documentation/RCU/RTFP.txt index 2f0fcb2112d2..f29bcbc463e7 100644 --- a/Documentation/RCU/RTFP.txt +++ b/Documentation/RCU/RTFP.txt @@ -2451,8 +2451,8 @@ lot of {Linux} into your technology!!!" ,month="February" ,year="2010" ,note="Available: -\url{http://kerneltrap.com/mailarchive/linux-netdev/2010/2/26/6270589} -[Viewed March 20, 2011]" +\url{http://thread.gmane.org/gmane.linux.network/153338} +[Viewed June 9, 2014]" ,annotation={ Use a pair of list_head structures to support RCU-protected resizable hash tables. diff --git a/Documentation/RCU/rcuref.txt b/Documentation/RCU/rcuref.txt index 141d531aa14b..613033ff2b9b 100644 --- a/Documentation/RCU/rcuref.txt +++ b/Documentation/RCU/rcuref.txt @@ -1,5 +1,14 @@ Reference-count design for elements of lists/arrays protected by RCU. + +Please note that the percpu-ref feature is likely your first +stop if you need to combine reference counts and RCU. Please see +include/linux/percpu-refcount.h for more information. However, in +those unusual cases where percpu-ref would consume too much memory, +please read on. + +------------------------------------------------------------------------ + Reference counting on elements of lists which are protected by traditional reader/writer spinlocks or semaphores are straightforward: |