linux-kernel - Re: [PATCH 1/2] vcs: add poll/fasync support

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Date:	Fri, 1 Oct 2010 10:31:42 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Nicolas Pitre <nico@...xnic.net>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/2] vcs: add poll/fasync support

> Not to create unwanted overhead, the needed data structure is allocated
> and the vt notification callback is registered only when the poll or
> fasync method is invoked for the first time per file instance.


Acked-by: Alan Cox <alan@...ux.intel.com>
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