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Date: Mon, 4 Feb 2008 01:28:49 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Ram Pai <linuxram@us.ibm.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>, linux-fsdevel@vger.kernel.org,
       linux-kernel@vger.kernel.org, viro@ftp.linux.org.uk,
       a.p.zijlstra@chello.nl
Subject: Re: [RFC PATCH] vfs: optimization to /proc/<pid>/mountinfo patch
Message-Id: <20080204012849.08c593e1.akpm@linux-foundation.org>
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On Mon, 04 Feb 2008 01:15:05 -0800 Ram Pai <linuxram@us.ibm.com> wrote:

> 1) reports deleted inode in dentry_path() consistent with that in __d_path()
> 2) modified __d_path() to use prepend(), reducing the size of __d_path()
> 3) moved all the functionality that reports mount information in /proc under
> 	CONFIG_PROC_FS.
> 
> Could not verify if the code would work with CONFIG_PROC_FS=n, since it was
> impossible to disable CONFIG_PROC_FS. Looking for ideas on how to disable
> CONFIG_PROC_FS.
> 	

Do `make menuconfig', then hit '/' and search for "proc_fs".

It'll tell you that you need to set EMBEDDED=y to disable procfs.

>  fs/dcache.c              |   59 +++++++++++++++++++----------------------------
>  fs/namespace.c           |    2 +
>  fs/seq_file.c            |    2 +
>  include/linux/dcache.h   |    3 ++
>  include/linux/seq_file.h |    3 ++

Please resend after testing that, thanks.

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