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Date: Tue, 11 May 2004 15:48:11 -0700
From: Marc Singer <elf@buici.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: dsaxena@plexity.net, Andrew Morton <akpm@osdl.org>, wim@iguana.be,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6] Watchdog timer for Intel IXP4xx CPUs
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References: <20040511212235.GA7729@plexity.net> <20040511143352.096bc071.akpm@osdl.org> <20040511215008.GA8063@plexity.net> <40A155AC.5090009@pobox.com>
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On Tue, May 11, 2004 at 06:37:32PM -0400, Jeff Garzik wrote:
> Deepak Saxena wrote:
> >On May 11 2004, at 14:33, Andrew Morton was caught saying:
> >+#ifdef CONFIG_WATCHDOG_NOWAYOUT
> >+static int nowayout = 1;
> >+#else
> >+static int nowayout = 0;
> >+#endif
> >+static int heartbeat = 60;	/* (secs) Default is 1 minute */
> >+static unsigned long wdt_status = 0;	
> >+static unsigned long boot_status = 0;
> 
> Wastes bss(?) space to explicitly zero statics.

BTW, BSS is the stuff that is zeroed automatically.  Explicitly
zeroing a variable is a waste of DATA and requires space in the
executable.