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Date: Tue, 28 Jan 2014 12:37:19 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
MIME-Version: 1.0
Subject: Re: [RFC] shmgetfd idea
References: <52E709C0.1050006@linaro.org> <52E7298D.5020001@zytor.com> <52E80B85.8020302@linaro.org>
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To: John Stultz <john.stultz@linaro.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: Greg KH <gregkh@linuxfoundation.org>, Kay Sievers <kay@vrfy.org>, Android Kernel Team <kernel-team@android.com>, Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mgorman@suse.de>, Hugh Dickins <hughd@google.com>, Dave Hansen <dave.hansen@intel.com>, Rik van Riel <riel@redhat.com>, Michel Lespinasse <walken@google.com>, Johannes Weiner <hannes@cmpxchg.org>, Neil Brown <neilb@suse.de>, Andrea Arcangeli <aarcange@redhat.com>, Takahiro Akashi <takahiro.akashi@linaro.org>, Minchan Kim <minchan@kernel.org>, Lennart Poettering <mzxreary@0pointer.de>

On 01/28/2014 11:56 AM, John Stultz wrote:
> 
> Thanks for reminding me about O_TMPFILE.. I have it on my list to look
> into how it could be used.
> 
> As for the O_TMPFILE only tmpfs option, it seems maybe a little clunky
> to me, but possible. If others think this would be preferred over a new
> syscall, I'll dig in deeper.
> 

What is clunky about it?  It reuses an existing interface and still
points to the specific tmpfs instance that should be populated.

	-hpa


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