Re: [PATCH 2.6.13] lockless pagecache 2/7

Christoph Lameter
2005-09-03T01:40:09Z

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.