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From: Andrew Morton <akpm@osdl.org>
To: Michael Buesch <mbuesch@freenet.de>
Cc: akpm@digeo.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.6] bootmem.c cleanup
Date: Fri, 14 May 2004 13:33:53 -0700	[thread overview]
Message-ID: <20040514133353.236acf3a.akpm@osdl.org> (raw)
In-Reply-To: <200405142205.27214.mbuesch@freenet.de>

Michael Buesch <mbuesch@freenet.de> wrote:
>
>  -		if (!test_and_clear_bit(i, bdata->node_bootmem_map))
>  -			BUG();
>  +		BUG_ON(!test_and_clear_bit(i, bdata->node_bootmem_map));

Please don't put expressions whihc actually change state inside BUG_ON(). 
Someone may decide to make BUG_ON() a no-op to save space.

I'm not aware of anyone actually trying that, but it's a good objective.

  reply	other threads:[~2004-05-14 20:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-14 20:05 Michael Buesch
2004-05-14 20:33 ` Andrew Morton [this message]
2004-05-14 20:43   ` Michael Buesch
2004-05-17  0:43   ` H. Peter Anvin
2004-05-18 19:50   ` Matt Mackall

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