provide more common DMA API functions V2

[Ingo Molnar]

* Andrew Morton <akpm at linux-foundation.org> wrote:

> On Tue, 18 Aug 2015 07:38:25 +0200 Christoph Hellwig <hch at lst.de> wrote:
> 
> > On Mon, Aug 17, 2015 at 02:24:29PM -0700, Andrew Morton wrote:
> > > 110254 bytes saved, shrinking the kernel by a whopping 0.17%. 
> > > Thoughts?
> > 
> > Sounds fine to me.
> 
> OK, I'll clean it up a bit, check that each uninlining actually makes
> sense and then I'll see how it goes.
> 
> > > 
> > > I'll merge these 5 patches for 4.3.  That means I'll release them into
> > > linux-next after 4.2 is released.
> > 
> > So you only add for-4.3 code to -next after 4.2 is odd?  Isn't thast the
> > wrong way around?
> 
> Linus will be releasing 4.2 in 1-2 weeks and until then, linux-next is
> supposed to contain only 4.2 material.  Once 4.2 is released,
> linux-next is open for 4.3 material.

Isn't that off by one?

I.e. shouldn't this be:

> I'll merge these 5 patches for 4.4.  That means I'll release them into 
> linux-next after 4.2 is released.
>
> [...]
> 
> Linus will be releasing 4.2 in 1-2 weeks and until then, linux-next is supposed 
> to contain only 4.3 material.  Once 4.2 is released and the 4.3 merge window 
> opens, linux-next is open for 4.4 material.

?

Thanks,

	Ingo