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

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Date:	Fri, 14 Oct 2011 08:42:44 +0200
From:	Jens Axboe <axboe@...nel.dk>
To:	Ian Campbell <ian.campbell@...rix.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH] mm: add a "struct page_frag" type containing a page,
 offset and length

On 2011-10-13 12:02, Ian Campbell wrote:
> 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.

Looks good to me, I can switch struct bio_vec over to this once it's in.

Acked-by: Jens Axboe <axboe@...nel.dk>

-- 
Jens Axboe

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