Re: [PATCH] mm: add a "struct page_frag" type containing a page, offset and length

[Andrew Morton <akpm@linux-foundation.org>]

On Wed, 19 Oct 2011 22:36:30 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:

> On Tue, 18 Oct 2011, Ian Campbell wrote:
> 
> > From 806b74572ad63e2ed3ca69bb5640a55dc4475e73 Mon Sep 17 00:00:00 2001
> > From: Ian Campbell <ian.campbell@citrix.com>
> > Date: Mon, 3 Oct 2011 16:46:54 +0100
> > Subject: [PATCH] mm: add a "struct page_frag" type containing a page, offset and length
> > 
> > A few network drivers currently use skb_frag_struct for this purpose but I have
> > patches which add additional fields and semantics there which these other uses
> > do not want.
> > 
> > A structure for reference sub-page regions seems like a generally useful thing
> > so do so instead of adding a network subsystem specific structure.
> > 
> > Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> > Acked-by: Jens Axboe <jaxboe@fusionio.com>
> > Acked-by: David Rientjes <rientjes@google.com>
> > Cc: Christoph Hellwig <hch@infradead.org>
> > Cc: David Miller <davem@davemloft.net>
> > Cc: Andrew Morton <akpm@linux-foundation.org>
> > Cc: linux-mm@kvack.org
> > Cc: linux-kernel@vger.kernel.org
> > [since v1: s/struct subpage/struct page_frag/ on advice from Christoph]
> > [since v2: s/page_offset/offset/ on advice from Andrew]
> 
> Looks good, is this going to be going through net-next?

yes please.