Messages in this thread | | | Date | Thu, 15 Apr 2004 11:26:09 +0100 (BST) | From | Hugh Dickins <> | Subject | Re: [PATCH] anobjrmap 9 priority mjb tree |
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On Wed, 14 Apr 2004, Martin J. Bligh wrote: > > FYI, even without prio-tree, I get a 12% boost from converting i_shared_sem > into a spinlock. I'll try doing the same on top of prio-tree next.
Good news, though not a surprise.
Any ideas how we might handle latency from vmtruncate (and try_to_unmap) if using prio_tree with i_shared_lock spinlock?
Hugh
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