linux-kernel - Re: [PATCH] Export tiny shmem_file

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Message-Id: <1224531505.4323.33.camel@calx>
Date:	Mon, 20 Oct 2008 14:38:25 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Dave Airlie <airlied@...hat.com>,
	Keith Packard <keithp@...thp.com>,
	Eric Anholt <eric@...olt.net>, Nick Piggin <npiggin@...e.de>,
	David Howells <dhowells@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Export tiny shmem_file_setup for DRM-GEM

On Mon, 2008-10-20 at 19:47 +0100, Hugh Dickins wrote:
> On Mon, 20 Oct 2008, Matt Mackall wrote:
> > On Sun, 2008-10-19 at 12:52 +0100, Hugh Dickins wrote:
> > > We're trying to keep the !CONFIG_SHMEM tiny-shmem.c (using ramfs without
> > > swap) in synch with CONFIG_SHMEM shmem.c (and mpm is preparing patches
> > > to combine them).  I was glad to see EXPORT_SYMBOL_GPL(shmem_file_setup)
> > > go into shmem.c, but why not support DRM-GEM when !CONFIG_SHMEM too?
> > > But caution says still depend on MMU, since !CONFIG_MMU is.. different.
> > > 
> > > Signed-off-by: Hugh Dickins <hugh@...itas.com>
> > 
> > Acked-by: Matt Mackall <mpm@...enic.com>
> 
> Thanks.
> 
> > 
> > Hugh, what path do you usually take for upstreaming shmem bits and what
> > path should I take with my unify patch?
> 
> I send them to Andrew (Cc linux-kernel and/or linux-mm, erratic which,
> at best depending on what the area of interest is - there's not much
> of interest to linux-mm in the case of this unification) to get their
> airing in -mm until the next merge window.
> 
> You could do that, or were you expecting me to pick up what you had?
> We can do it that way too if you prefer: as things stood, I think
> you were intending to add a patch to remove that redundant function,
> and another to remove CONFIG_TMPFS - but I can do them if you prefer.

Yeah, I've got a few patches here. I'll send them to Andrew, cc:ed to
you and linux-kernel then.

-- 
Mathematics is the supreme nostalgia of our time.

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