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Date: Fri, 30 Jun 2006 20:35:13 -0700
From: Andrew Morton <akpm@osdl.org>
To: Adrian Bunk <bunk@stusta.de>
Cc: linux-kernel@vger.kernel.org, Hugh Dickins <hugh@veritas.com>,
       Badari Pulavarty <pbadari@us.ibm.com>
Subject: Re: [2.6 patch] mm/memory.c: EXPORT_UNUSED_SYMBOL
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On Fri, 30 Jun 2006 13:32:40 +0200
Adrian Bunk <bunk@stusta.de> wrote:

> -EXPORT_SYMBOL(vmtruncate_range);
> +EXPORT_UNUSED_SYMBOL(vmtruncate_range);  /*  June 2006  */

vmtruncate_range() is a sensible-looking API, but it's purely for
MADV_REMOVE and I don't think it's a thing we intended that filesystems be
using, and I don't think that it's a thing which we want to be supporting
as an export unless there's a good reason.

So yes, let's give this a try.