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Message-ID: <49D41729.4030407@kernel.org>
Date:	Thu, 02 Apr 2009 10:38:49 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Boaz Harrosh <bharrosh@...asas.com>
CC:	axboe@...nel.dk, linux-kernel@...r.kernel.org,
	fujita.tomonori@....ntt.co.jp
Subject: Re: [PATCH 08/17] bio: reimplement bio_copy_user_iov()

Hello, Boaz.

Boaz Harrosh wrote:
> Please consider that this code-path is used by me, in exofs and
> pNFS-objcets in a very very hot path, where memory pressure is a
> common scenario.

One quick question.  Don't the above paths map kernel pages to a
request?

Thanks.

-- 
tejun
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