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Date:	Tue, 21 Oct 2014 00:51:54 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	josh@...htriplett.org
Cc:	Pieter Smith <pieter@...sman.nl>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Paris <eparis@...hat.com>,
	Matt Turner <mattst88@...il.com>,
	Michal Hocko <mhocko@...e.cz>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Fabian Frederick <fabf@...net.be>, Tejun Heo <tj@...nel.org>,
	????????? <zhenglong.cai@...c.com.cn>,
	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Peter Foley <pefoley2@...oley.com>,
	Konstantin Khlebnikov <koct9i@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"H. Peter Anvin" <hpa@...or.com>, Oleg Nesterov <oleg@...hat.com>,
	Andy Lutomirski <luto@...capital.net>,
	David Herrmann <dh.herrmann@...il.com>,
	Kees Cook <keescook@...omium.org>,
	linux-fsdevel@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>,
	"open list:ABI/API" <linux-api@...r.kernel.org>
Subject: Re: [PATCH 2/2] fs: Support compiling out sendfile

On Mon, Oct 20, 2014 at 03:24:22PM -0700, josh@...htriplett.org wrote:
> On Mon, Oct 20, 2014 at 11:48:37PM +0200, Pieter Smith wrote:
> > Many embedded systems will not need this syscall, and omitting it
> > saves space.  Add a new EXPERT config option CONFIG_SENDFILE_SYSCALL
> > (default y) to support compiling it out.
> 
> Nice work, thanks!
> 
> If there are no objections, and nobody has a tree they'd rather carry
> this through, I'll take the series through the tiny tree when it's ready
> to merge.

I think it's rather pointless - there is very little sendfile code,
so you'd rather want to disable splice.

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