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From: Jesper Juhl <jesper.juhl@gmail.com>
To: Michael Buesch <mbuesch@freenet.de>
Cc: Jesper Juhl <juhl-lkml@dif.dk>,
	"Rickard E. (Rik) Faith" <faith@redhat.com>,
	Rik Faith <faith@cs.unc.edu>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Small kfree cleanup, save a local variable.
Date: Sun, 19 Jun 2005 21:49:55 +0200	[thread overview]
Message-ID: <9a87484905061912492d6a9952@mail.gmail.com> (raw)
In-Reply-To: <200506192137.59719.mbuesch@freenet.de>

On 6/19/05, Michael Buesch <mbuesch@freenet.de> wrote:
> Quoting Jesper Juhl <juhl-lkml@dif.dk>:
> > Here's a patch with a small improvement to kernel/auditsc.c .
> > There's no need for the local variable  struct audit_entry *e  ,
> > we can just call kfree directly on container_of() .
> 
> Did you look at the assembly output? Does it change?
> I think the compiler optimizes this variable away, anyway.
> So, if there's no improvement, I would personally prefer the
> original form as it's more readable.
> 
gcc does optimize it away. 
Personally I find both forms equally readable, and with the change the
source matches what the code actually ends up as, but I don't care
much one way or the other.

-- 
Jesper Juhl <jesper.juhl@gmail.com>
Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please      http://www.expita.com/nomime.html

  reply	other threads:[~2005-06-19 19:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-19 19:38 [PATCH] Small kfree cleanup, save a local variable Jesper Juhl
2005-06-19 19:37 ` Michael Buesch
2005-06-19 19:49   ` Jesper Juhl [this message]
2005-06-19 20:13 ` Chris Wright
2005-06-19 20:19   ` Jesper Juhl
2005-06-19 20:20     ` Chris Wright

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