linux-kernel - Re: Why does "make oldconfig" always set CONFIG_SLUB

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Date:	Thu, 20 Mar 2008 13:16:02 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Why does "make oldconfig" always set CONFIG_SLUB_DEBUG=y ?

On Thu, 20 Mar 2008 20:35:41 +0100 Toralf Förster wrote:

> I'm wondering why this option is always set after "make oldconfig" :
> 
> tfoerste@n22 ~/devel/linux-2.6 $ grep _SLUB_DEBUG=y .config
> CONFIG_SLUB_DEBUG=y
> tfoerste@n22 ~/devel/linux-2.6 $ sed -i -e 's/_SLUB_DEBUG=y/_SLUB_DEBUG=n/' .config
> tfoerste@n22 ~/devel/linux-2.6 $ grep _SLUB_DEBUG= .config
> CONFIG_SLUB_DEBUG=n
> tfoerste@n22 ~/devel/linux-2.6 $ make oldconfig 1>/dev/null
> tfoerste@n22 ~/devel/linux-2.6 $ grep _SLUB_DEBUG= .config
> CONFIG_SLUB_DEBUG=y
> 
> I attached the .config

Because it defaults to y and you can't change it unless you
enable EMBEDDED.

---
~Randy
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