linux-kernel - Re: [2.6.24-rc5-mm1] Why CONFIG_BLK_DEV_RAM=m makes \"#ifdef CONFIG_BLK_DEV

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Date:	Thu, 13 Dec 2007 21:45:09 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.24-rc5-mm1] Why CONFIG_BLK_DEV_RAM=m makes
 \"#ifdef CONFIG_BLK_DEV_RAM\" false?

On Fri, 14 Dec 2007 14:04:19 +0900 Tetsuo Handa wrote:

> Hello.
> 
> I found that
> 
>  CONFIG_BLK_DEV_RAM=m
> 
> in my .config makes
> 
>  #ifdef CONFIG_BLK_DEV_RAM
> 
> false.
> 
> I guess something is wrong with .config parsing.

Look at include/linux/autoconf.h.  You should see a line like:

#define CONFIG_BLK_DEV_RAM_MODULE 1

if CONFIG_BLK_DEV_RAM=m

or like:

#define CONFIG_BLK_DEV_RAM 1

if CONFIG_BLK_DEV_RAM=y.

I don't think that this is a change from the recent past.

---
~Randy
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