linux-kernel - Re: [PATCH 1/1] fs/ext4/inode.c: Add unlikely() to ext4

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Message-ID: <20140223221513.GA27617@thunk.org>
Date:	Sun, 23 Feb 2014 17:15:13 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	akpm <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/1] fs/ext4/inode.c: Add unlikely() to ext4_iget

On Sun, Feb 23, 2014 at 08:01:15PM +0100, Fabian Frederick wrote:
> Isolate no memory and bad inode cases in ext4_iget.
> 
> Signed-off-by: Fabian Frederick <fabf@...net.be>

Does this result in a measurable performance difference?

     	  	      		 	     - Ted
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