On Tue, 2013-02-12 at 09:13 -0800, Tejun Heo wrote:
> Hello,
>
> On Tue, Feb 12, 2013 at 07:07:20PM +0200, Imre Deak wrote:
> > It's the one implemented by sg_miter_{start,stop} in scatterlist.c. It
> > also iterates through a scatterlist a page at a time, but it also kmaps
> > these pages. Since
On Tue, 12 Feb 2013 19:07:20 +0200
Imre Deak wrote:
> > So, exactly how big is this thing, and how do we know it's better this
> > way than if we were to uninline some/all of the helpers?
>
> I admit I only hoped compiler optimization would keep the inlined parts
> at a minimum, but now I actual
Hello,
On Tue, Feb 12, 2013 at 07:07:20PM +0200, Imre Deak wrote:
> It's the one implemented by sg_miter_{start,stop} in scatterlist.c. It
> also iterates through a scatterlist a page at a time, but it also kmaps
> these pages. Since in our use case we don't need to map the pages we
> needed a sol
On Mon, 2013-02-11 at 12:54 -0800, Andrew Morton wrote:
> On Mon, 11 Feb 2013 20:50:04 +0200
> Imre Deak wrote:
>
> > Add an iterator to walk through a scatter list a page at a time starting
> > at a specific page offset. As opposed to the mapping iterator this is
>
> What is "the mapping iterat
On Mon, 11 Feb 2013 20:50:04 +0200
Imre Deak wrote:
> Add an iterator to walk through a scatter list a page at a time starting
> at a specific page offset. As opposed to the mapping iterator this is
What is "the mapping iterator"?
> meant to be small, performing well even in simple loops like c
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