linux-kernel - Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal in some kernel info printks

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Date:	Tue, 24 Jun 2008 21:17:11 -0500
From:	Paul Jackson <pj@....com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	yhlu.kernel@...il.com, akpm@...ux-foundation.org, mingo@...e.hu,
	tglx@...utronix.de, steiner@....com, travis@....com,
	linux-kernel@...r.kernel.org, ying.huang@...el.com,
	andi@...stfloor.org
Subject: Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal
 in some kernel info printks

hpa wrote:
> that would have to be %#10lx.

Hmmm ... the '#' is a good idea, instead of an explicit "0x".

Do we want zero padding as well, with "0#8lx" ?

Zone PFN ranges:
  DMA      0x00000000 -> 0x00001000
  DMA32    0x00001000 -> 0x00100000
  Normal   0x00100000 -> 0x00428000

or right aligned, space padded:

Zone PFN ranges:
  DMA             0x0 ->     0x1000
  DMA32        0x1000 ->   0x100000
  Normal     0x100000 ->   0x428000

I like the zero padding here myself.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@....com> 1.940.382.4214
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