KernelTrap: Benchmarking the Lockless Pagecache May 1, 2006, 01 :00 UTC (0 Talkback[s]) (5985 reads)
"Anticipatory I/O scheduler author Nick Piggin has been maintaining a lockless pagecache patch for many months. In March he provided a draft document that details the lockless radix-tree utilized by the pagecache, in which it describes the Read-Copy Update (RCU) algorithm used to share a dynamic data structure without using locks. Jens Axboe recently posted some benchmark results demonstrating some workloads that benefit from the lockless pagecache..."