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Date: Wed, 7 May 2008 09:10:28 -0700
From: "Ray Lee" <ray-lk@madrabbit.org>
To: "Matthew Wilcox" <matthew@wil.cx>
Subject: Re: It's time to hack on dentry_stat?
Cc: "rae l" <crquan@gmail.com>, linux-fsdevel@vger.kernel.org,
       linux-kernel@vger.kernel.org
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On Wed, May 7, 2008 at 8:25 AM, Matthew Wilcox <matthew@wil.cx> wrote:
> On Wed, May 07, 2008 at 08:08:09AM -0700, Ray Lee wrote:
>  > One could hardcode the output of the last three (four?) fields, yes?
>  > Slightly grotty, but if it comes with a decent memory savings...
>
>  How can it be a 'decent memory saving'?  There is exactly _one_ struct
>  dentry_stat_t in the entire kernel.  So you're talking about saving 4
>  ints, or 16 bytes.  Bet you it'd be more bytes to hardcode printing zero.

<shrug> Well, if there's one, then obviously there isn't. I'd assumed
it was a per-dentry overhead.