From: Christoph Lameter <[email protected]>
Date: Fri, 29 Jun 2007 00:00:39 -0700 (PDT)
> On Thu, 28 Jun 2007, David Miller wrote:
>
> > Really, it would be great if we could treat kmalloc() objects
> > just like real pages. Everything wants to do I/O on pages
> > but sometimes (like the networking) you have a kmalloc
> > chunk which is technically just a part of a page.
> >
> > The fact that there is no easy way to make this work is
> > frustrating :-)
>
> There is easy way: Allocate a page and just use the first N bytes. You can
> specify the bytes to be used when putting the memory onto the scatter
> gather list. This wastes memory but it works. You have real refcounting
> since you got a real page.
>
> How frequent are these objects?
Every single network packet.
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