Messages in this thread | | | Date | Fri, 2 Sep 2005 18:33:52 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 2.6.13] lockless pagecache 2/7 |
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On Sat, 3 Sep 2005, Nick Piggin wrote:
> Thanks Christoph, I think this will be required to support 386. > In the worst case, we could provide a fallback path and take > ->tree_lock in pagecache lookups if there is no atomic_cmpxchg, > however I would much prefer all architectures get an atomic_cmpxchg, > and I think it should turn out to be a generally useful primitive. > > I may trim this down to only provide what is needed for atomic_cmpxchg > if that is OK?
Do not hesitate to do whatever you need to the patch. I took what I needed from you for this patch last year too.
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