linux-kernel - Re: [PATCH 09/35] x86: print out for RAM buffer

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Message-Id: <20100209115213.dc85e4a5.akpm@linux-foundation.org>
Date:	Tue, 9 Feb 2010 11:52:13 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 09/35] x86: print out for RAM buffer

On Tue, 09 Feb 2010 11:32:20 -0800
Yinghai Lu <yinghai@...nel.org> wrote:

> so could check that early in bootlog
> 
> Acked-by: Yinghai Lu <yinghai@...nel.org>
> Reviewed-by: Christoph Lameter <cl@...ux-foundation.org>
> ---
>  arch/x86/kernel/e820.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
> index a966b75..dfb1689 100644
> --- a/arch/x86/kernel/e820.c
> +++ b/arch/x86/kernel/e820.c
> @@ -1429,6 +1429,9 @@ void __init e820_reserve_resources_late(void)
>  			end = MAX_RESOURCE_SIZE;
>  		if (start >= end)
>  			continue;
> +		printk(KERN_DEBUG "reserve RAM buffer: %016Lx - %016Lx ",
> +			       (unsigned long long) start,
> +			       (unsigned long long) end);
>  		reserve_region_with_split(&iomem_resource, start, end,
>  					  "RAM buffer");
>  	}

The typecasts for printing u64's are unneeded within x86 code.  In fact
I think they're now unneeded on all architectures.

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