Messages in this thread |  | | | Date | Tue, 21 Aug 2007 17:34:38 -0700 (PDT) | | From | Christoph Lameter <> | | Subject | Re: [PATCH] SLUB use cmpxchg_local |
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On Tue, 21 Aug 2007, Mathieu Desnoyers wrote:
> As I am going back through the initial cmpxchg_local implementation, it > seems like it was executing __slab_alloc() with preemption disabled, > which is wrong. new_slab() is not designed for that.
The version I send you did not use preemption.
We need to make a decision if we want to go without preemption and cmpxchg or with preemption and cmpxchg_local.
If we really want to do this then the implementation of all of these components need to result in competitive performance on all platforms.
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