linux-kernel - Re: remap_file

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Date:	Tue, 20 May 2014 21:53:36 -0400
From:	Kenny Simpson <theonetruekenny@...il.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Michal Hocko <mhocko@...e.cz>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Armin Rigo <arigo@...es.org>
Subject: Re: remap_file_pages() use

ouch... hope they don't try to run that code on anything newer then :(
 Will let them know.

-Kenny


On Mon, May 19, 2014 at 5:24 PM, Kirill A. Shutemov
<kirill@...temov.name> wrote:
> On Mon, May 19, 2014 at 01:34:05PM -0400, Kenny Simpson wrote:
>> For the other cases I had used the remapping to have more of a sliding
>> window over a disk-backed file where I also was using aliasing to
>> eliminate the corner cases of hitting the end of a window and needing
>> to split records due to crossing boundaries, etc..
>
> Disk backed files are not supported by remap_file_pages() since 2007.
> See commit 3ee6dafc677a.
>
> --
>  Kirill A. Shutemov
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