linux-kernel - Re: [PATCH 2/6] compcache: block device

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Message-ID: <87a5b0800803241336u547e0f39j277a8857ce674403@mail.gmail.com>
Date:	Mon, 24 Mar 2008 20:36:02 +0000
From:	"Will Newton" <will.newton@...il.com>
To:	"Nitin Gupta" <nitingupta910@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 2/6] compcache: block device - internal defs

On Mon, Mar 24, 2008 at 5:50 PM, Nitin Gupta <nitingupta910@...il.com> wrote:
>  >  >  +
>  >  >  +/* Create /proc/compcache? */
>  >  >  +/* If STATS is disabled, this will give minimal compcache info */
>  >  >  +#define CONFIG_COMPCACHE_PROC
>  >  >  +
>  >  >  +#if DEBUG
>  >  >  +#define CC_DEBUG(fmt,arg...) \
>  >  >  +       printk(KERN_DEBUG C fmt,##arg)
>  >  >  +#else
>  >  >  +#define CC_DEBUG(fmt,arg...) NOP
>  >  >  +#endif
>  >
>  >  Have you thought about using pr_debug() for this? It looks like it
>  >  would simplify this file at the cost of a little flexibility.
>  >
>
>  I want to enable/disable this debugging based on DEBUG_COMPCACHE flag.
>  Thats why I added these macros. I will do 'printk(KERN_DEBUG' ->
>  pr_debug

The definition of pr_debug (kernel.h) is already surrounded by #ifdef
DEBUG so it may give you the same behaviour as the CC_DEBUG macro.
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