linux-kernel - Re: lib/klist.c: bit 0 in pointer can't be used as flag

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Message-ID: <20090114102500.GG19262@axis.com>
Date:	Wed, 14 Jan 2009 11:25:00 +0100
From:	Jesper Nilsson <Jesper.Nilsson@...s.com>
To:	Greg KH <gregkh@...e.de>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	David Miller <davem@...emloft.net>,
	"tj@...nel.org" <tj@...nel.org>,
	"stern@...land.harvard.edu" <stern@...land.harvard.edu>,
	"jens.axboe@...cle.com" <jens.axboe@...cle.com>,
	"hinko.kocevar@...rtapot.si" <hinko.kocevar@...rtapot.si>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: lib/klist.c: bit 0 in pointer can't be used as flag

On Wed, Jan 14, 2009 at 12:59:14AM +0100, Greg KH wrote:
> So, is this change still needed for klists?  I'm guessing so as they
> could be in statically allocated objects, right?

Like I said in another email, we can get away with just making
the struct klist aligned to 4 bytes (or 2 would probably suffice).
It would be a less intrusive patch.

> Here's yet another reason to never statically allocate a kobject...
> 
> thanks,
> 
> greg k-h

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@...s.com
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