Re: [PATCH] mmu notifiers #v8

[Andrea Arcangeli]

On Mon, Mar 03, 2008 at 11:01:22AM -0800, Christoph Lameter wrote:
> API still has rcu issues and the example given for making things sleepable 
> is only working for the aging callback. The most important callback is for 
> try_to_unmao and page_mkclean. This means the API is still not generic 
> enough and likely not extendable as needed in its present form.

I converted only one of those _notify as an example of how it should
be done, because I assumed you volunteer to convert the other ones
yourself during .26. It's useless to convert all of them right now,
because the i_mmap_lock and anon_vma locks are still going to be
spinlocks in .25.
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