Re: [PATCH 01/12] mutex: add atomic_dec_and_mutex_lock

[Ingo Molnar]

* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Mon, 27 Apr 2009 17:53:05 -0400
> Eric Paris <eparis@xxxxxxxxxx> wrote:
> 
> > Much like the atomic_dec_and_lock() function in which we take and hold a
> > spin_lock if we drop the atomic to 0 this function takes and holds the
> > mutex if we dec the atomic to 0.
> 
> I sucked these patches into -mm, mainly for a bit of compile-time 
> and runtime testing.

the locking API bit is already in the locking tree:

  9ab772c: mutex: add atomic_dec_and_mutex_lock()

I added it 23 days ago. Please dont add it to -mm a second time ;-)

	Ingo
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