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From: Andrew Morton <akpm@osdl.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slab: kfree(null) is unlikely
Date: Mon, 28 Mar 2005 23:12:58 -0800	[thread overview]
Message-ID: <20050328231258.053dac28.akpm@osdl.org> (raw)
In-Reply-To: <4248FE3C.6030906@pobox.com>

Jeff Garzik <jgarzik@pobox.com> wrote:
>
> Linux Kernel Mailing List wrote:
> > ChangeSet 1.2231.1.8, 2005/03/28 19:18:25-08:00, akpm@osdl.org
> > 
> > 	[PATCH] slab: kfree(null) is unlikely
> > 	
> > 	- mark kfree(NULL) as being unlikely
> 
> This is just a wild guess, right?

More like a judgement based on experience?

> Seems to me, it depends on the code.
> 

If someone is doing kfree(0) with sufficient frequency for this patch to
matter, then they need to stop doing that, rather than pessimising kfree(not 0).

      reply	other threads:[~2005-03-29  7:27 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200503290507.j2T57k3U017427@hera.kernel.org>
2005-03-29  7:05 ` Jeff Garzik
2005-03-29  7:12   ` Andrew Morton [this message]

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