linux-kernel - Re: [PATCH 2/4] send callback when swap slot is freed

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Date:	Mon, 21 Sep 2009 15:01:02 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Hugh Dickins <hugh.dickins@...cali.co.uk>
Cc:	ngupta@...are.org, Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ed Tomlinson <edt@....ca>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	linux-mm-cc <linux-mm-cc@...top.org>,
	kamezawa.hiroyu@...fujitsu.com, nishimura@....nes.nec.co.jp
Subject: Re: [PATCH 2/4] send callback when swap slot is freed

On Mon, Sep 21, 2009 at 2:55 PM, Hugh Dickins
<hugh.dickins@...cali.co.uk> wrote:
>> The callback setup from ->read() just looks gross. However, it's your
>> call Hugh so I'll just shut up now. ;-)
>
> Ah, no, please don't!  So it's _that_ end of it that's upsetting you,
> and rightly so, I hadn't grasped that.

Heh, right. :-)

On Mon, Sep 21, 2009 at 2:55 PM, Hugh Dickins
<hugh.dickins@...cali.co.uk> wrote:
> (Nitin, your patch division is quite wrong: you should present a patch
> in which your driver works, albeit poorly, without the notifier; then
> a patch in which the notifier is added at the swapfile.c end and your
> driver end, so we can see how they fit together.)

Yes, please. Such standalone driver could go into drivers/staging for
2.6.32 probably.
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