Messages in this thread | | | Date | Sat, 1 Mar 2003 10:08:39 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH] New dcache / inode hash tuning patch |
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> I wonder what would happen if you reordered the chains moving a 'found' > dentry to the front of the chain? If this could be done without > excessive locking it might help keep hot entries quickly accessable. > This operation should be cheaper given you are using hlists.
You would need to fetch a spinlock for LRU, while the current lookup runs completely lockless.
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