linux-kernel - Re: [PATCH for 2.6.18] [8/8] MM: Remove rogue readahead printk

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Message-Id: <1154207668.5784.35.camel@localhost>
Date:	Sat, 29 Jul 2006 17:14:28 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Andi Kleen <ak@...e.de>
Cc:	torvalds@...l.org, discuss@...-64.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH for 2.6.18] [8/8] MM: Remove rogue readahead printk

On Sat, 2006-07-29 at 21:42 +0200, Andi Kleen wrote:
> For some reason it triggers always with NFS root and spams the kernel
> logs of my nfs root boxes a lot.
> 
> Cc: trond.myklebust@....uio.no
> Signed-off-by: Andi Kleen <ak@...e.de>

Big ACK! I never really understood why we needed this printk, and yes,
it does spam the syslog heavily on all NFS clients...

Cheers,
  Trond

> ---
>  mm/filemap.c |    2 --
>  1 files changed, 2 deletions(-)
> 
> Index: linux-2.6.18-rc2-git7/mm/filemap.c
> ===================================================================
> --- linux-2.6.18-rc2-git7.orig/mm/filemap.c
> +++ linux-2.6.18-rc2-git7/mm/filemap.c
> @@ -849,8 +849,6 @@ static void shrink_readahead_size_eio(st
>  		return;
>  
>  	ra->ra_pages /= 4;
> -	printk(KERN_WARNING "Reducing readahead size to %luK\n",
> -			ra->ra_pages << (PAGE_CACHE_SHIFT - 10));
>  }
>  
>  /**

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