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From: Andrew Morton <akpm@linux-foundation.org>
To: "Jörn Engel" <joern@logfs.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
	linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] Faster ext2_clear_inode()
Date: Thu, 19 Jul 2007 17:31:41 -0700	[thread overview]
Message-ID: <20070719173141.51217ba8.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070709200003.GA18501@lazybastard.org>

On Mon, 9 Jul 2007 22:00:03 +0200
Jörn Engel <joern@logfs.org> wrote:

> On Mon, 9 July 2007 22:01:48 +0400, Alexey Dobriyan wrote:
> > 
> > Yes. Note that ext2_clear_inode() is referenced from ext2_sops, so even
> > empty, it leaves traces in resulting kernel.
> 
> Is that your opinion or have you actually measured a difference?
> I strongly suspect that compilers are smart enough to optimize away a
> call to an empty static function.
> 

It saves a big 16 bytes of text here.

      parent reply	other threads:[~2007-07-20  0:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-09  4:11 [PATCH] Faster ext2_clear_inode() Alexey Dobriyan
2007-07-09  8:34 ` Jörn Engel
2007-07-09 18:01   ` Alexey Dobriyan
2007-07-09 20:00     ` Jörn Engel
2007-07-09 22:02       ` Dave Kleikamp
2007-07-09 22:12         ` Jörn Engel
2007-07-20  0:31       ` Andrew Morton [this message]

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